Universal Character Set characters

Short description: Complete list of the characters available on most computers

| This article contains special characters. Without proper rendering support, you may see question marks, boxes, or other symbols.

|

Index of predominant national and selected regional or minority scripts

| Alphabetic|

[L]ogographic
and [S]yllabic

| Abjad| Abugida

|
|
|

Latin

Cyrillic

Greek

Armenian

Georgian

Hangul a

Hanzi [L]

Kana [S] / Kanji [L]

Hanjab [L]

Arabic

Hebrew

North Indic

South Indic

Ethiopic

Thaana

Canadian syllabic

a Featural-alphabetic. b Limited.

The Unicode Consortium and the ISO/IEC JTC 1/SC 2/WG 2 jointly collaborate on the list of the characters in the Universal Coded Character Set. The Universal Coded Character Set, most commonly called the Universal Character Set (Template:Abbr. UCS, official designation: ISO/IEC 10646), is an international standard to map characters, discrete symbols used in natural language, mathematics, music, and other domains, to unique machine-readable data values. By creating this mapping, the UCS enables computer software vendors to interoperate, and transmit—interchange—UCS-encoded text strings from one to another. Because it is a universal map, it can be used to represent multiple languages at the same time. This avoids the confusion of using multiple legacy character encodings, which can result in the same sequence of codes having multiple interpretations depending on the character encoding in use, resulting in mojibake if the wrong one is chosen.

UCS has a potential capacity of over 1 million characters. Each UCS character is abstractly represented by a code point, an integer between 0 and 1,114,111 (1,114,112 = 220 \+ 216 or 17 × 216 = 0x110000 code points), used to represent each character within the internal logic of text processing software. As of Unicode 15.1, released in September 2023, 293,792 (26%) of these code points are allocated, 149,878 (13%) have been assigned characters, 137,468 (12%) are reserved for private use, 2,048 are used to enable the mechanism of surrogates, and 66 are designated as Noncharacters}}|noncharacters, leaving the remaining 820,320 (74%) unallocated. The number of encoded characters is made up as follows:

* 149,641 graphical characters (some of which do not have a visible glyph, but are still counted as graphical)
* 237 special purpose characters for control and formatting.

ISO maintains the basic mapping of characters from character name to code point. Often, the terms character and code point will be used interchangeably. However, when a distinction is made, a code point refers to the integer of the character: what one might think of as its address. Meanwhile, a character in ISO/IEC 10646 includes the combination of the code point and its name, Unicode adds many other useful properties to the character set, such as block, category, script, and directionality.

In addition to the UCS, the supplementary Unicode Standard, (not a joint project with ISO, but rather a publication of the Unicode Consortium,) provides other implementation details such as:

1. mappings between UCS and other character sets
2. different collations of characters and character strings for different languages
3. an algorithm for laying out bidirectional text ("the BiDi algorithm"), where text on the same line may shift between left-to-right ("LTR") and right-to-left ("RTL")
4. a case-folding algorithm

Computer software end users enter these characters into programs through various input methods, for example, physical keyboards or virtual character palettes.

The UCS can be divided in various ways, such as by plane, block, character category, or character property.[1]

## Contents

* 1 Character reference overview
* 2 Planes
* 3 Blocks
* 4 Categories
* 5 Special-purpose characters
* 5.1 Byte order mark
* 5.2 Mathematical invisibles
* 5.3 Fraction slash
* 5.4 Bidirectional neutral formatting
* 5.5 Bidirectional general formatting
* 5.6 Interlinear annotation characters
* 5.7 Script-specific
* 5.8 Others
* 6 Characters vs code points
* 7 Whitespace, joiners, and separators
* 7.1 Grapheme joiners and non-joiners
* 7.2 Word joiners and separators
* 7.3 Other separators
* 7.4 Spaces
* 7.5 Line-break control characters
* 8 Types of code point
* 8.1 Assigned characters
* 8.1.1 Private-use characters
* 8.2 Surrogates
* 8.3 Noncharacters
* 8.4 Reserved code points
* 9 Characters, grapheme clusters and glyphs
* 9.1 Compatibility characters
* 10 Character properties
* 11 See also
* 12 References
* 13 External links

## Character reference overview

An HTML or XML numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format

`&#`nnnn`;`

`&#x`hhhh`;`

where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form. The x must be lowercase in XML documents. The nnnn or hhhh may be any number of digits and may include leading zeros. The hhhh may mix uppercase and lowercase, though uppercase is the usual style.

In contrast, a character entity reference refers to a character by the name of an entity which has the desired character as its replacement text. The entity must either be predefined (built into the markup language) or explicitly declared in a Document Type Definition (DTD). The format is the same as for any entity reference:

`&`name`;`

where name is the case-sensitive name of the entity. The semicolon is required.

## Planes

Main article: Plane (Unicode)

Unicode and ISO divide the set of code points into 17 planes, each capable of containing 65536 distinct characters or 1,114,112 total. As of 2023 (Unicode 15.1) ISO and the Unicode Consortium has only allocated characters and blocks in seven of the 17 planes. The others remain empty and reserved for future use.

Most characters are currently assigned to the first plane: the Basic Multilingual Plane. This is to help ease the transition for legacy software since the Basic Multilingual Plane is addressable with just two octets. The characters outside the first plane usually have very specialized or rare use.

Each plane corresponds with the value of the one or two hexadecimal digits (0—9, A—F) preceding the four final ones: hence U+24321 is in Plane 2, U+4321 is in Plane 0 (implicitly read U+04321), and U+10A200 would be in Plane 16 (hex 10 = decimal 16). Within one plane, the range of code points is hexadecimal 0000—FFFF, yielding a maximum of 65536 code points. Planes restrict code points to a subset of that range.

## Blocks

Main article: Unicode block

Unicode adds a block property to UCS that further divides each plane into separate blocks. Each block is a grouping of characters by their use such as "mathematical operators" or "Hebrew script characters". When assigning characters to previously unassigned code points, the Consortium typically allocates entire blocks of similar characters: for example all the characters belonging to the same script or all similarly purposed symbols get assigned to a single block. Blocks may also maintain unassigned or reserved code points when the Consortium expects a block to require additional assignments.

The first 256 code points in the UCS correspond with those of ISO 8859-1, the most popular 8-bit character encoding in the Western world. As a result, the first 128 characters are also identical to ASCII. Though Unicode refers to these as a Latin script block, these two blocks contain many characters that are commonly useful outside of the Latin script. In general, not all characters in a given block need be of the same script, and a given script can occur in several different blocks.

## Categories

Unicode assigns to every UCS character a general category and subcategory. The general categories are: letter, mark, number, punctuation, symbol, or control (in other words a formatting or non-graphical character).

Types include:

* Modern, Historic, and Ancient Scripts. As of 2023 (Unicode 15.1), the UCS identifies 161 scripts that are, or have been, used throughout of the world. Many more are in various approval stages for future inclusion of the UCS.[2]
* International Phonetic Alphabet. The UCS devotes several blocks (over 300 characters) to characters for the International Phonetic Alphabet.
* Combining Diacritical Marks. An important advance conceived by Unicode in designing the UCS and related algorithms for handling text was the introduction of combining diacritic marks. By providing accents that can combine with any letter character, the Unicode and the UCS reduce significantly the number of characters needed. While the UCS also includes precomposed characters, these were included primarily to facilitate support within UCS for non-Unicode text processing systems.
* Punctuation. Along with unifying diacritical marks, the UCS also sought to unify punctuation across scripts. Many scripts also contain punctuation, however, when that punctuation has no similar semantics in other scripts.
* Symbols. Many mathematics, technical, geometrical and other symbols are included within the UCS. This provides distinct symbols with their own code point or character rather than relying on switching fonts to provide symbolic glyphs.
* Currency.
* Letterlike. These symbols appear like combinations of many common Latin scripts letters such as ℅. Unicode designates many of the letterlike symbols as compatibility characters usually because they can be in plain text by substituting glyphs for a composing sequence of characters: for example substituting the glyph ℅ for the composed sequence of characters c/o.
* Number Forms. Number forms primarily consist of precomposed fractions and Roman numerals. Like other areas of composing sequences of characters, the Unicode approach prefers the flexibility of composing fractions by combining characters together. In this case to create fractions, one combines numbers with the fraction slash character (U+2044). As an example of the flexibility this approach provides, there are nineteen precomposed fraction characters included within the UCS. However, there are an infinity of possible fractions. By using composing characters the infinity of fractions is handled by 11 characters (0-9 and the fraction slash). No character set could include code points for every precomposed fraction. Ideally a text system should present the same glyphs for a fraction whether it is one of the precomposed fractions (such as ⅓) or a composing sequence of characters (such as 1⁄3). However, web browsers are not typically that sophisticated with Unicode and text handling. Doing so ensures that precomposed fractions and combining sequence fractions will appear compatible next to each other.
* Arrows.
* Mathematical.
* Geometric Shapes.
* Legacy Computing.
* Control Pictures Graphical representations of many control characters.
* Box Drawing.
* Block Elements.
* Braille Patterns.
* Optical Character Recognition.
* Technical.
* Dingbats.
* Miscellaneous Symbols.
* Emoticons.
* Symbols and Pictographs.
* Alchemical Symbols.
* Game Pieces (chess, checkers, go, dice, dominoes, mahjong, playing cards, and many others).
* Chess Symbols
* Tai Xuan Jing.
* Yijing Hexagram Symbols.
* CJK. Devoted to ideographs and other characters to support languages in China, Japan, Korea (CJK), Taiwan, Vietnam, and Thailand.
* Radicals and Strokes.
* Ideographs. By far the largest portion of the UCS is devoted to ideographs used in languages of Eastern Asia. While the glyph representation of these ideographs have diverged in the languages that use them, the UCS unifies these Han characters in what Unicode refers to as Unihan (for Unified Han). With Unihan, the text layout software must work together with the available fonts and these Unicode characters to produce the appropriate glyph for the appropriate language. Despite unifying these characters, the UCS still includes over 97,000 Unihan ideographs.
* Musical Notation.
* Duployan shorthands.
* Sutton SignWriting.
* Compatibility Characters. Several blocks in the UCS are devoted almost entirely to compatibility characters. Compatibility characters are those included for support of legacy text handling systems that do not make a distinction between character and glyph the way Unicode does. For example, many Arabic letters are represented by a different glyph when the letter appears at the end of a word than when the letter appears at the beginning of a word. Unicode's approach prefers to have these letters mapped to the same character for ease of internal machine text processing and storage. To complement this approach, the text software must select different glyph variants for display of the character based on its context. Over 4000 characters are included for such compatibility reasons.
* Control Characters.
* Surrogates. The UCS includes 2048 code points in the Basic Multilingual Plane (BMP) for surrogate code point pairs. Together these surrogates allow any code point in the sixteen other planes to be addressed by using two surrogate code points. This provides a simple built-in method for encoding the 20.1 bit UCS within a 16 bit encoding such as UTF-16. In this way UTF-16 can represent any character within the BMP with a single 16-bit word. Characters outside the BMP are then encoded using two 16-bit words (4 octets or bytes total) using the surrogate pairs.
* Private Use. The consortium provides several private use blocks and planes that can be assigned characters within various communities, as well as operating system and font vendors.
* Noncharacters. The consortium guarantees certain code points will never be assigned a character and calls these noncharacter code points. These include the range U+FDD0..U+FDEF, and the last two code points of each plane (ending in the hexadecimal digits FFFE and FFFF).[3]

## Special-purpose characters

Unicode codifies over a hundred thousand characters. Most of those represent graphemes for processing as linear text. Some, however, either do not represent graphemes, or, as graphemes, require exceptional treatment.[4][5] Unlike the ASCII control characters and other characters included for legacy round-trip capabilities, these other special-purpose characters endow plain text with important semantics.

Some special characters can alter the layout of text, such as the zero-width joiner and zero-width non-joiner, while others do not affect text layout at all, but instead affect the way text strings are collated, matched or otherwise processed. Other special-purpose characters, such as the mathematical invisibles, generally have no effect on text rendering, though sophisticated text layout software may choose to subtly adjust spacing around them.

Unicode does not specify the division of labor between font and text layout software (or "engine") when rendering Unicode text. Because the more complex font formats, such as OpenType or Apple Advanced Typography, provide for contextual substitution and positioning of glyphs, a simple text layout engine might rely entirely on the font for all decisions of glyph choice and placement. In the same situation a more complex engine may combine information from the font with its own rules to achieve its own idea of best rendering. To implement all recommendations of the Unicode specification, a text engine must be prepared to work with fonts of any level of sophistication, since contextual substitution and positioning rules do not exist in some font formats and are optional in the rest. The fraction slash is an example: complex fonts may or may not supply positioning rules in the presence of the fraction slash character to create a fraction, while fonts in simple formats cannot.

### Byte order mark

When appearing at the head of a text file or stream, the byte order mark (BOM) U+FEFF hints at the encoding form and its byte order.

If the stream's first byte is 0xFE and the second 0xFF, then the stream's text is not likely to be encoded in UTF-8, since those bytes are invalid in UTF-8. It is also not likely to be UTF-16 in little-endian byte order because 0xFE, 0xFF read as a 16-bit little endian word would be U+FFFE, which is meaningless. The sequence also has no meaning in any arrangement of UTF-32 encoding, so, in summary, it serves as a fairly reliable indication that the text stream is encoded as UTF-16 in big-endian byte order. Conversely, if the first two bytes are 0xFF, 0xFE, then the text stream may be assumed to be encoded as UTF-16LE because, read as a 16-bit little-endian value, the bytes yield the expected 0xFEFF byte order mark. This assumption becomes questionable, however, if the next two bytes are both 0x00; either the text begins with a null character (U+0000), or the correct encoding is actually UTF-32LE, in which the full 4-byte sequence FF FE 00 00 is one character, the BOM.

The UTF-8 sequence corresponding to U+FEFF is 0xEF, 0xBB, 0xBF. This sequence has no meaning in other Unicode encoding forms, so it may serve to indicate that that stream is encoded as UTF-8.

The Unicode specification does not require the use of byte order marks in text streams. It further states that they should not be used in situations where some other method of signaling the encoding form is already in use.

### Mathematical invisibles

Primarily for mathematics, the Invisible Separator (U+2063) provides a separator between characters where punctuation or space may be omitted such as in a two-dimensional index like i⁣j. Invisible Times (U+2062) and Function Application (U+2061) are useful in mathematics text where the multiplication of terms or the application of a function is implied without any glyph indicating the operation. Unicode 5.1 introduces the Mathematical Invisible Plus character as well (U+2064) which may indicate that an integral number followed by a fraction should denote their sum, but not their product.

### Fraction slash

Example of fraction slash use. This typeface (Apple Chancery) shows the synthesized common fraction on the left and the precomposed fraction glyph on the right as a rendering the plain text string "1 1⁄4 1¼". Depending on the text environment, the single string "1 1⁄4" might yield either result, the one on the right through substitution of the fraction sequence with the single precomposed fraction glyph. A more elaborate example of fraction slash usage: plain text "4 221⁄225" rendered in Apple Chancery. This font supplies the text layout software with instructions to synthesize the fraction according to the Unicode rule described in this section.

The fraction slash character (U+2044) has special behavior in the Unicode Standard:[6] (section 6.2, Other Punctuation)

> The standard form of a fraction built using the fraction slash is defined as follows: any sequence of one or more decimal digits (General Category = Nd), followed by the fraction slash, followed by any sequence of one or more decimal digits. Such a fraction should be displayed as a unit, such as ¾. If the displaying software is incapable of mapping the fraction to a unit, then it can also be displayed as a simple linear sequence as a fallback (for example, 3/4). If the fraction is to be separated from a previous number, then a space can be used, choosing the appropriate width (normal, thin, zero width, and so on). For example, 1 + ZERO WIDTH SPACE \+ 3 + FRACTION SLASH \+ 4 is displayed as 1¾.

By following this Unicode recommendation, text processing systems yield sophisticated symbols from plain text alone. Here the presence of the fraction slash character instructs the layout engine to synthesize a fraction from all consecutive digits preceding and following the slash. In practice, results vary because of the complicated interplay between fonts and layout engines. Simple text layout engines tend not to synthesize fractions at all, and instead draw the glyphs as a linear sequence as described in the Unicode fallback scheme.

More sophisticated layout engines face two practical choices: they can follow Unicode's recommendation, or they can rely on the font's own instructions for synthesizing fractions. By ignoring the font's instructions, the layout engine can guarantee Unicode's recommended behavior. By following the font's instructions, the layout engine can achieve better typography because placement and shaping of the digits will be tuned to that particular font at that particular size.

The problem with following the font's instructions is that the simpler font formats have no way to specify fraction synthesis behavior. Meanwhile, the more complex formats do not require the font to specify fraction synthesis behavior and therefore many do not. Most fonts of complex formats can instruct the layout engine to replace a plain text sequence such as 1⁄2 with the precomposed ½ glyph. But because many of them will not issue instructions to synthesize fractions, a plain text string such as 221⁄225 may well render as 22½25 (with the ½ being the substituted precomposed fraction, rather than synthesized). In the face of problems like this, those who wish to rely on the recommended Unicode behavior should choose fonts known to synthesize fractions or text layout software known to produce Unicode's recommended behavior regardless of font.

### Bidirectional neutral formatting

Writing direction is the direction glyphs are placed on the page in relation to forward progression of characters in the Unicode string. English and other languages of Latin script have left-to-right writing direction. Several major writing scripts, such as Arabic and Hebrew, have right-to-left writing direction. The Unicode specification assigns a directional type to each character to inform text processors how sequences of characters should be ordered on the page.

While lexical characters (that is, letters) are normally specific to a single writing script, some symbols and punctuation marks are used across many writing scripts. Unicode could have created duplicate symbols in the repertoire that differ only by directional type, but chose instead to unify them and assign them a neutral directional type. They acquire direction at render time from adjacent characters. Some of these characters also have a bidi-mirrored property indicating the glyph should be rendered in mirror-image when used in right-to-left text.

The render-time directional type of a neutral character can remain ambiguous when the mark is placed on the boundary between directional changes. To address this, Unicode includes characters that have strong directionality, have no glyph associated with them, and are ignorable by systems that do not process bidirectional text:

* Arabic letter mark (U+061C)
* Left-to-right mark (U+200E)
* Right-to-left mark (U+200F)

Surrounding a bidirectionally neutral character by the left-to-right mark will force the character to behave as a left-to-right character while surrounding it by the right-to-left mark will force it to behave as a right-to-left character. The behavior of these characters is detailed in Unicode's Bidirectional Algorithm.

### Bidirectional general formatting

Further information: Bidirectional text

While Unicode is designed to handle multiple languages, multiple writing systems and even text that flows either left-to-right or right-to-left with minimal author intervention, there are special circumstances where the mix of bidirectional text can become intricate—requiring more author control. For these circumstances, Unicode includes five other characters to control the complex embedding of left-to-right text within right-to-left text and vice versa:

* Left-to-right embedding (U+202A)
* Right-to-left embedding (U+202B)
* Pop directional formatting (U+202C)
* Left-to-right override (U+202D)
* Right-to-left override (U+202E)
* Left-to-right isolate (U+2066)
* Right-to-left isolate (U+2067)
* First strong isolate (U+2068)
* Pop directional isolate (U+2069)

### Interlinear annotation characters

* Interlinear Annotation Anchor (U+FFF9)
* Interlinear Annotation Separator (U+FFFA)
* Interlinear Annotation Terminator (U+FFFB)

### Script-specific

* Prefixed format control
* Arabic Number Sign (U+0600)
* Arabic Sign Sanah (U+0601)
* Arabic Footnote Marker (U+0602)
* Arabic Sign Safha (U+0603)
* Arabic Sign Samvat (U+0604)
* Arabic Number Mark Above (U+0605)
* Arabic End of Ayah (U+06DD)
* Syriac Abbreviation Mark (U+070F)
* Arabic Pound Mark Above (U+0890)
* Arabic Piastre Mark Above (U+0891)
* Kaithi Number Sign (U+110BD)
* Kaithi Number Sign Above (U+110CD)
* Egyptian Hieroglyphs
* Egyptian Hieroglyph Vertical Joiner (U+13430)
* Egyptian Hieroglyph Horizontal Joiner (U+13431)
* Egyptian Hieroglyph Insert At Top Start (U+13432)
* Egyptian Hieroglyph Insert At Bottom Start (U+13433)
* Egyptian Hieroglyph Insert At Top End (U+13434)
* Egyptian Hieroglyph Insert At Bottom End (U+13435)
* Egyptian Hieroglyph Overlay Middle (U+13436)
* Egyptian Hieroglyph Begin Segment (U+13437)
* Egyptian Hieroglyph End Segment (U+13438)
* Egyptian Hieroglyph Insert At Middle (U+13439)
* Egyptian Hieroglyph Insert At Top (U+1343A)
* Egyptian Hieroglyph Insert At Bottom (U+1343B)
* Egyptian Hieroglyph Begin Enclosure (U+1343C)
* Egyptian Hieroglyph End Enclosure (U+1343D)
* Egyptian Hieroglyph Begin Walled Enclosure (U+1343E)
* Egyptian Hieroglyph End Walled Enclosure (U+1343F)
* Brahmi
* Brahmi Number Joiner (U+1107F)
* Brahmi-derived script dead-character formation (Virama and similar diacritics)
* Devanagari Sign Virama (U+094D)
* Bengali Sign Virama (U+09CD)
* Gurmukhi Sign Virama (U+0A4D)
* Gujarati Sign Virama (U+0ACD)
* Oriya Sign Virama (U+0B4D)
* Tamil Sign Virama (U+0BCD)
* Telugu Sign Virama (U+0C4D)
* Kannada Sign Virama (U+0CCD)
* Malayalam Sign Vertical Bar Virama (U+0D3B)
* Malayalam Sign Circular Virama (U+0D3C)
* Malayalam Sign Virama (U+0D4D)
* Sinhala Sign Al-Lakuna (U+0DCA)
* Thai Character Phinthu (U+0E3A)
* Thai Character Yamakkan (U+0E4E)
* Lao Sign Pali Virama (U+0EBA)
* Myanmar Sign Virama (U+1039)
* Tagalog Sign Virama (U+1714)
* Tagalog Sign Pamudpod (U+1715)
* Hanunoo Sign Pamudpod (U+1734)
* Khmer Sign Viriam (U+17D1)
* Khmer Sign Coeng (U+17D2)
* Tai Tham Sign Sakot (U+1A60)
* Tai Tham Sign Ra Haam (U+1A7A)
* Balinese Adeg Adeg (U+1B44)
* Sundanese Sign Pamaaeh (U+1BAA)
* Sundanese Sign Virama (U+1BAB)
* Batak Pangolat (U+1BF2)
* Batak Panongonan (U+1BF3)
* Syloti Nagri Sign Hasanta (U+A806)
* Syloti Nagri Sign Alternate Hasanta (U+A82C)
* Saurashtra Sign Virama (U+A8C4)
* Rejang Virama (U+A953)
* Javanese Pangkon (U+A9C0)
* Meetei Mayek Virama (U+AAF6)
* Kharoshthi Virama (U+10A3F)
* Brahmi Virama (U+11046)
* Brahmi Sign Old Tamil Virama (U+11070)
* Kaithi Sign Virama (U+110B9)
* Chakma Virama (U+11133)
* Sharada Sign Virama (U+111C0)
* Khojki Sign Virama (U+11235)
* Khudawadi Sign Virama (U+112EA)
* Grantha Sign Virama (U+1134D)
* Newa Sign Virama (U+11442)
* Tirhuta Sign Virama (U+114C2)
* Siddham Sign Virama (U+115BF)
* Modi Sign Virama (U+1163F)
* Takri Sign Virama (U+116B6)
* Ahom Sign Killer (U+1172B)
* Dogra Sign Virama (U+11839)
* Dives Akuru Sign Halanta (U+1193D)
* Dives Akuru Virama (U+1193E)
* Nandinagari Sign Virama (U+119E0)
* Zanabazar Square Sign Virama (U+11A34)
* Zanabazar Square Subjoiner (U+11A47)
* Soyombo Subjoiner (U+11A99)
* Bhaiksuki Sign Virama (U+11C3F)
* Masaram Gondi Sign Halanta (U+11D44)
* Masaram Gondi Virama (U+11D45)
* Gunjala Gondi Virama (U+11D97)
* Kawi Sign Killer (U+11F41)
* Kawi Conjoiner (U+11F42)
* Historical Viramas with other functions
* Tibetan Mark Halanta (U+0F84)
* Myanmar Sign Asat (U+103A)
* Limbu Sign Sa-I (U+193B)
* Meetei Mayek Apun Iyek (U+ABED)
* Chakma Maayyaa (U+11134)
* Mongolian Variation Selectors
* Mongolian Free Variation Selector One (U+180B)
* Mongolian Free Variation Selector Two (U+180C)
* Mongolian Free Variation Selector Three (U+180D)
* Mongolian Vowel Separator (U+180E)
* Generic Variation Selectors
* Variation Selector-1 through -16 (U+FE00-U+FE0F)
* Variation Selector-17 through -256 (U+E0100-U+E01EF)
* Tag characters (U+E0001 and U+E0020-U+E007F)
* Tifinagh
* Tifinagh Consonant Joiner (U+2D7F)
* Ogham
* Ogham Space Mark (U+1680)
* Ideographic
* Ideographic variation indicator (U+303E)
* Ideographic Description (U+2FF0-U+2FFB)
* Musical Format Control
* Musical Symbol Begin Beam (U+1D173)
* Musical Symbol End Beam (U+1D174)
* Musical Symbol Begin Tie (U+1D175)
* Musical Symbol End Tie (U+1D176)
* Musical Symbol Begin Slur (U+1D177)
* Musical Symbol End Slur (U+1D178)
* Musical Symbol Begin Phrase (U+1D179)
* Musical Symbol End Phrase (U+1D17A)
* Shorthand Format Control
* Shorthand Format Letter Overlap (U+1BCA0)
* Shorthand Format Continuing Overlap (U+1BCA1)
* Shorthand Format Down Step (U+1BCA2)
* Shorthand Format Up Step (U+1BCA3)
* Deprecated Alternate Formatting
* Inhibit Symmetric Swapping (U+206A)
* Activate Symmetric Swapping (U+206B)
* Inhibit Arabic Form Shaping (U+206C)
* Activate Arabic Form Shaping (U+206D)
* National Digit Shapes (U+206E)
* Nominal Digit Shapes (U+206F)

### Others

* Object Replacement Character (U+FFFC)
* Replacement Character (U+FFFD)

## Characters vs code points

The term "character" is not well defined, and what we are referring to most of the time is the grapheme. A grapheme is represented visually by its glyph. The typeface (often erroneously referred to as font) used can depict visual variations of the same character. It is possible that two different graphemes can have the exact same glyph or are visually so close that the average reader cannot tell them apart.

A grapheme is almost always represented by one code point, for example the LATIN CAPITAL LETTER A is represented by only code point U+0041.

The grapheme LATIN CAPITAL A WITH DIAERESIS Ä is an example where a character can be represented by more than one code point. It can be U+00C4, or U+0041U+0308. U+0041 is the familiar A and U+0308 is the COMBINING DIAERESIS ̈, a combining diacritical mark.

When a combining mark is adjacent to a non-combining mark code point, text rendering applications should superimpose the combining mark onto the glyph represented by the other code point to form a grapheme according to a set of rules.[7]

The word BÄM would therefore be three graphemes. It may be made up of three code points or more depending on how the characters are actually composed.

## Whitespace, joiners, and separators

Main article: Whitespace character

Unicode provides a list of characters it deems whitespace characters for interoperability support. Software Implementations and other standards may use the term to denote a slightly different set of characters. For example, Java does not consider U+00A0 NO-BREAK SPACE or U+0085 <control-0085> (NEXT LINE) to be whitespace, even though Unicode does. Whitespace characters are characters typically designated for programming environments. Often they have no syntactic meaning in such programming environments and are ignored by the machine interpreters. Unicode designates the legacy control characters U+0009 through U+000D and U+0085 as whitespace characters, as well as all characters whose General Category property value is Separator. There are 25 total whitespace characters as of Unicode 15.1.

### Grapheme joiners and non-joiners

The zero-width joiner (U+200D) and zero-width non-joiner (U+200C) control the joining and ligation of glyphs. The joiner does not cause characters that would not otherwise join or ligate to do so, but when paired with the non-joiner these characters can be used to control the joining and ligating properties of the surrounding two joining or ligating characters. The Combining Grapheme Joiner (U+034F) is used to distinguish two base characters as one common base or digraph, mostly for underlying text processing, collation of strings, case folding and so on.

### Word joiners and separators

The most common word separator is a space (U+0020). However, there are other word joiners and separators that also indicate a break between words and participate in line-breaking algorithms. The No-Break Space (U+00A0) also produces a baseline advance without a glyph but inhibits rather than enabling a line-break. The Zero Width Space (U+200B) allows a line-break but provides no space: in a sense joining, rather than separating, two words. Finally, the Word Joiner (U+2060) inhibits line breaks and also involves none of the white space produced by a baseline advance.

| Baseline advance | No baseline advance

|
|

Allow line-break
(Separators) | Space U+0020 | Zero Width Space U+200B
Inhibit line-break
(Joiners) | No-Break Space U+00A0 | Word Joiner U+2060

### Other separators

* Line Separator (U+2028)
* Paragraph Separator (U+2029)

These provide Unicode with native paragraph and line separators independent of the legacy encoded ASCII control characters such as carriage return (U+000A), linefeed (U+000D), and Next Line (U+0085). Unicode does not provide for other ASCII formatting control characters which presumably then are not part of the Unicode plain text processing model. These legacy formatting control characters include Tab (U+0009), Line Tabulation or Vertical Tab (U+000B), and Form Feed (U+000C) which is also thought of as a page break.

### Spaces

The space character (U+0020) typically input by the space bar on a keyboard serves semantically as a word separator in many languages. For legacy reasons, the UCS also includes spaces of varying sizes that are compatibility equivalents for the space character. While these spaces of varying width are important in typography, the Unicode processing model calls for such visual effects to be handled by rich text, markup and other such protocols. They are included in the Unicode repertoire primarily to handle lossless roundtrip transcoding from other character set encodings. These spaces include:

1. En Quad (U+2000)
2. Em Quad (U+2001)
3. En Space (U+2002)
4. Em Space (U+2003)
5. Three-Per-Em Space (U+2004)
6. Four-Per-Em Space (U+2005)
7. Six-Per-Em Space (U+2006)
8. Figure Space (U+2007)
9. Punctuation Space (U+2008)
10. Thin Space (U+2009)
11. Hair Space (U+200A)
12. Medium Mathematical Space (U+205F)

Aside from the original ASCII space, the other spaces are all compatibility characters. In this context this means that they effectively add no semantic content to the text, but instead provide styling control. Within Unicode, this non-semantic styling control is often referred to as rich text and is outside the thrust of Unicode's goals. Rather than using different spaces in different contexts, this styling should instead be handled through intelligent text layout software.

Three other writing-system-specific word separators are:

* Mongolian Vowel Separator (U+180E)
* Ideographic Space (U+3000): behaves as an ideographic separator and generally rendered as white space of the same width as an ideograph.
* Ogham Space Mark (U+1680): this character is sometimes displayed with a glyph and other times as only white space.

### Line-break control characters

Several characters are designed to help control line-breaks either by discouraging them (no-break characters) or suggesting line breaks such as the soft hyphen (U+00AD) (sometimes called the "shy hyphen"). Such characters, though designed for styling, are probably indispensable for the intricate types of line-breaking they make possible.

Break inhibiting

1. Non-breaking hyphen (U+2011)
2. No-break space (U+00A0)
3. Tibetan Mark Delimiter Tsheg Bstar (U+0F0C)
4. Narrow no-break space (U+202F)

The break inhibiting characters are meant to be equivalent to a character sequence wrapped in the Word Joiner U+2060. However, the Word Joiner may be appended before or after any character that would allow a line-break to inhibit such line-breaking.

Break enabling

1. Soft hyphen (U+00AD)
2. Tibetan Mark Intersyllabic Tsheg (U+0F0B)
3. Zero-width space (U+200B)

Both the break inhibiting and break enabling characters participate with other punctuation and whitespace characters to enable text imaging systems to determine line breaks within the Unicode Line Breaking Algorithm.[8]

## Types of code point

All code points given some kind of purpose or use are considered designated code points. Of those, they may be assigned to an abstract character, or otherwise designated for some other purpose.

### Assigned characters

The majority of code points in actual use have been assigned to abstract characters. This includes private-use characters, which though not formally designated by the Unicode standard for a particular purpose, require a sender and recipient to have agreed in advance how they should be interpreted for meaningful information interchange to take place.

#### Private-use characters

Main article: Private Use Areas

The UCS includes 137,468 private-use characters, which are code points for private use spread across three different blocks, each called a Private Use Area (PUA). The Unicode standard recognizes code points within PUAs as legitimate Unicode character codes, but does not assign them any (abstract) character. Instead, individuals, organizations, software vendors, operating system vendors, font vendors and communities of end-users are free to use them as they see fit. Within closed systems, characters in the PUA can operate unambiguously, allowing such systems to represent characters or glyphs not defined in Unicode.[9] In public systems their use is more problematic, since there is no registry and no way to prevent several organizations from adopting the same code points for different purposes. One example of such a conflict is Apple's use of U+F8FF for the Apple logo, versus the ConScript Unicode Registry's use of U+F8FF as klingon mummification glyph in the Klingon script.[10]

The Basic Multilingual Plane (Plane 0) contains 6,400 private-user characters in the eponymously named PUA Private Use Area, which ranges from U+E000 to U+F8FF. The Private Use Planes, Plane 15 and Plane 16, each have their own PUAs of 65,534 private-use characters (with the final two code points of each plane being noncharacters). These are Supplementary Private Use Area-A, which ranges from U+F0000 to U+FFFFD, and Supplementary Private Use Area-B, which ranges from U+100000 to U+10FFFD.

PUAs are a concept inherited from certain Asian encoding systems. These systems had private use areas to encode what the Japanese call gaiji (rare characters not normally found in fonts) in application-specific ways.

### Surrogates

The UCS uses surrogates to address characters outside the initial Basic Multilingual Plane without resorting to more-than-16-bit-word representations.[11] There are 1024 "high" surrogates (D800–DBFF) and 1024 "low" surrogates (DC00–DFFF). By combining a pair of surrogates, the remaining characters in all the other planes can be addressed (1024 × 1024 = 1048576 code points in the other 16 planes). In UTF-16, they must always appear in pairs, as a high surrogate followed by a low surrogate, thus using 32 bits to denote one code point.

A surrogate pair denotes the code point

1000016 \+ (H \- D80016) × 40016 \+ (L \- DC0016)

where H and L are the numeric values of the high and low surrogates respectively.[12]

Since high surrogate values in the range DB80–DBFF always produce values in the Private Use planes, the high surrogate range can be further divided into (normal) high surrogates (D800–DB7F) and "high private use surrogates" (DB80–DBFF).

Isolated surrogate code points have no general interpretation; consequently, no character code charts or names lists are provided for this range. In the Python programming language, individual surrogate codes are used to embed undecodable bytes in Unicode strings.[13]

### Noncharacters

The unhyphenated term "noncharacter" refers to 66 code points (labeled `<not a character>`) permanently reserved for internal use, and therefore guaranteed to never be assigned to a character.[14] Each of the 17 planes has its two ending code points set aside as noncharacters. So, noncharacters are: U+FFFE and U+FFFF on the BMP, U+1FFFE and U+1FFFF on Plane 1, and so on, up to U+10FFFE and U+10FFFF on Plane 16, for a total of 34 code points. In addition, there is a contiguous range of another 32 noncharacter code points in the BMP: U+FDD0..U+FDEF. Software implementations are therefore free to use these code points for internal use. One particularly useful example of a noncharacter is the code point U+FFFE. This code point has the reverse UTF-16/UCS-2 byte sequence of the byte order mark (U+FEFF). If a stream of text contains this noncharacter, this is a good indication the text has been interpreted with the incorrect endianness.

Versions of the Unicode standard from 3.1.0 to 6.3.0 claimed that noncharacters "should never be interchanged". Corrigendum #9 of the standard later stated that this was leading to "inappropriate over-rejection", clarifying that "[Noncharacters] are not illegal in interchange nor do they cause ill-formed Unicode text", and removing the original claim.

### Reserved code points

All other code points, being those not designated, are referred to as being reserved. These code points may be assigned for a particular use in future versions of the Unicode standard.

## Characters, grapheme clusters and glyphs

Whereas many other character sets assign a character for every possible glyph representation of the character, Unicode seeks to treat characters separately from glyphs. This distinction is not always unambiguous; however, a few examples will help illustrate the distinction. Often two characters may be combined typographically to improve the readability of the text. For example, the three letter sequence "ffi" may be treated as a single glyph. Other character sets would often assign a code point to this glyph in addition to the individual letters: "f" and "i".

In addition, Unicode approaches diacritic modified letters as separate characters that, when rendered, become a single glyph. For example, an "o" with diaeresis: "ö". Traditionally, other character sets assigned a unique character code point for each diacritic modified letter used in each language. Unicode seeks to create a more flexible approach by allowing combining diacritic characters to combine with any letter. This has the potential to significantly reduce the number of active code points needed for the character set. As an example, consider a language that uses the Latin script and combines the diaeresis with the upper- and lower-case letters "a", "o", and "u". With the Unicode approach, only the diaeresis diacritic character needs to be added to the character set to use with the Latin letters: "a", "A", "o", "O", "u", and "U": seven characters in all. A legacy character sets needs to add six precomposed letters with a diaeresis in addition to the six code points it uses for the letters without diaeresis: twelve character code points in total.

### Compatibility characters

UCS includes thousands of characters that Unicode designates as compatibility characters. These are characters that were included in UCS in order to provide distinct code points for characters that other character sets differentiate, but would not be differentiated in the Unicode approach to characters.

The chief reason for this differentiation was that Unicode makes a distinction between characters and glyphs. For example, when writing English in a cursive style, the letter "i" may take different forms whether it appears at the beginning of a word, the end of a word, the middle of a word or in isolation. Languages such as Arabic written in an Arabic script are always cursive. Each letter has many different forms. UCS includes 730 Arabic form characters that decompose to just 88 unique Arabic characters. However, these additional Arabic characters are included so that text processing software may translate text from other character sets to UCS and back again without any loss of information crucial for non-Unicode software.

However, for UCS and Unicode in particular, the preferred approach is to always encode or map that letter to the same character no matter where it appears in a word. Then the distinct forms of each letter are determined by the font and text layout software methods. In this way, the internal memory for the characters remains identical regardless of where the character appears in a word. This greatly simplifies searching, sorting and other text processing operations.

## Character properties

Main article: Unicode character property

Every character in Unicode is defined by a large and growing set of properties. Most of these properties are not part of Universal Character Set. The properties facilitate text processing including collation or sorting of text, identifying words, sentences and graphemes, rendering or imaging text and so on. Below is a list of some of the core properties. There are many others documented in the Unicode Character Database.[15]

Property | Example | Details

|
|

Name | LATIN CAPITAL LETTER A | This is a permanent name assigned by the joint cooperation of Unicode and the ISO UCS. A few known poorly chosen names exist and are acknowledged (e.g. U+FE18 PRESENTATION FORM FOR VERTICAL RIGHT WHITE LENTICULAR BRAKCET, which is misspelled – should be BRACKET) but will not be changed, in order to ensure specification stability.[16]
Code Point | U+0041 | The Unicode code point is a number also permanently assigned along with the "Name" property and included in the companion UCS. The usual custom is to represent the code point as hexadecimal number with the prefix "U+" in front.
Representative Glyph | [17] | The representative glyphs are provided in code charts.[18]
General Category | Uppercase_Letter | The general category[19] is expressed as a two-letter sequence such as "Lu" for uppercase letter or "Nd", for decimal digit number.
Combining Class | Not_Reordered (0) | Since diacritics and other combining marks can be expressed with multiple characters in Unicode the "Combining Class" property allows characters to be differentiated by the type of combining character it represents. The combining class can be expressed as an integer between 0 and 255 or as a named value. The integer values allow the combining marks to be reordered into a canonical order to make string comparison of identical strings possible.
Bidirectional Category | Left_To_Right | Indicates the type of character for applying the Unicode bidirectional algorithm.
Bidirectional Mirrored | no | Indicates the character's glyph must be reversed or mirrored within the bidirectional algorithm. Mirrored glyphs can be provided by font makers, extracted from other characters related through the "Bidirectional Mirroring Glyph" property or synthesized by the text rendering system.
Bidirectional Mirroring Glyph | N/A | This property indicates the code point of another character whose glyph can serve as the mirrored glyph for the present character when mirroring within the bidirectional algorithm.
Decimal Digit Value | NaN | For numerals, this property indicates the numeric value of the character. Decimal digits have all three values set to the same value, presentational rich text compatibility characters and other Arabic-Indic non-decimal digits typically have only the latter two properties set to the numeric value of the character while numerals unrelated to Arabic Indic digits such as Roman Numerals or Hanzhou/Suzhou numerals typically have only the "Numeric Value" indicated.
Digit Value | NaN
Numeric Value | NaN
Ideographic | False | Indicates the character is a CJK ideograph: a logograph in the Han script.[20]
Default Ignorable | False | Indicates the character is ignorable for implementations and that no glyph, last resort glyph, or replacement character need be displayed.
Deprecated | False | Unicode never removes characters from the repertoire, but on occasion Unicode has deprecated a small number of characters.

Unicode provides an online database[21] to interactively query the entire Unicode character repertoire by the various properties.

## See also

* ConScript Unicode Registry
* Unicode compatibility characters

## References

1. ↑ "The Unicode Standard". The Unicode Consortium. https://www.unicode.org/versions/latest/.
2. ↑ "Roadmaps to Unicode". The Unicode Consortium. https://unicode.org/roadmaps/.
3. ↑ "FAQ - Private-Use Characters, Noncharacters, and Sentinels". https://www.unicode.org/faq/private_use.html.
4. ↑ "Section 2.13: Special Characters". The Unicode Standard. The Unicode Consortium. September 2022. https://www.unicode.org/versions/Unicode15.0.0/ch02.pdf#G27981.
5. ↑ "Section 4.12: Characters with Unusual Properties". The Unicode Standard. The Unicode Consortium. September 2022. https://www.unicode.org/versions/Unicode15.0.0/ch04.pdf#G124820.
6. ↑ "Section 6.2: General Punctuation". The Unicode Standard. The Unicode Consortium. September 2022. https://www.unicode.org/versions/Unicode15.0.0/ch06.pdf#G2000.
7. ↑ "UTN #2: A General Method for Rendering Combining Marks". http://www.unicode.org/notes/tn2/tn2-2.html.
8. ↑ "UAX #14: Unicode Line Breaking Algorithm". The Unicode Consortium. 2016-06-01. https://www.unicode.org/reports/tr14/.
9. ↑ "Section 23.5: Private-Use Characters". The Unicode Standard. The Unicode Consortium. September 2022. https://www.unicode.org/versions/Unicode15.0.0/ch23.pdf#G19184.
10. ↑ Michael Everson (2004-01-15). "Klingon: U+F8D0 - U+F8FF". http://www.evertype.com/standards/csur/klingon.html.
11. ↑ "Section 23.6: Surrogates Area". The Unicode Standard. The Unicode Consortium. September 2022. https://www.unicode.org/versions/Unicode15.0.0/ch23.pdf#G24089.
12. ↑ Kaplan, Michael. "Surrogate Support in Microsoft Products". https://unicode.org/iuc/iuc18/papers/a8.ppt.
13. ↑ v. Löwis, Martin (2009-04-22). "Non-decodable Bytes in System Character Interfaces". Python Enhancement Proposals. https://www.python.org/dev/peps/pep-0383/.
14. ↑ "Section 23.7: Noncharacters". The Unicode Standard. The Unicode Consortium. September 2022. https://www.unicode.org/versions/Unicode15.0.0/ch23.pdf#G12612.
15. ↑ "Unicode Character Database". The Unicode Consortium. https://www.unicode.org/ucd/.
16. ↑ Freytag, Asmus; McGowan, Rick; Whistler, Ken. "Unicode Technical Note #27 — Known Anomalies in Unicode Character Names". Unicode Consortium. https://unicode.org/notes/tn27/.
17. ↑ Not the official Unicode representative glyph, but merely a representative glyph. To see the official Unicode representative glyph, see the code charts.
18. ↑ "Character Code Charts". The Unicode Consortium. https://www.unicode.org/charts/.
19. ↑ "UAX #44: Unicode Character Database". General Category Values. The Unicode Consortium. 2014-06-05. https://www.unicode.org/reports/tr44/#General_Category_Values.
20. ↑ Davis, Mark; Iancu, Laurențiu; Whistler, Ken. "Table 9. Property Table § PropList.txt". Unicode Standard Annex #44 — Unicode Character Database. Unicode Consortium. https://unicode.org/reports/tr44/#Ideographic.
21. ↑ "Unicode Utilities: Character Property Index". The Unicode Consortium. https://unicode.org/cldr/utility/properties.jsp.

## External links

* Unicode Consortium
* decodeunicode.org Unicode Wiki with all 98884 graphic characters of Unicode 5.0 as gifs, full text search
* Unicode Characters by Property

* v
* t
* e

Unicode

Unicode|

* Unicode Consortium
* ISO/IEC 10646 (Universal Character Set)
* Versions

Code points|

* Blocks
* Universal Character Set
* Character charts
* Character property
* Planes
* Private Use Areas

Characters|

| Special purpose|

* BOM
* Combining Grapheme Joiner
* Left-to-right mark / Right-to-left mark
* Soft hyphen
* Word joiner
* Zero-width joiner
* Zero-width non-joiner
* Zero-width space

|

Lists|

* Characters
* CJK Unified Ideographs
* Combining character
* Duplicate characters
* Numerals
* Scripts
* Spaces
* Symbols
* Halfwidth and fullwidth
* Alias names and abbreviations

Processing|

| Algorithms|

* Bi-directional text
* Collation
* ISO 14651
* Equivalence
* Variation sequences
* International Ideographs Core

|

Comparison|

* BOCU-1
* CESU-8
* Punycode
* SCSU
* UTF-1
* UTF-7
* UTF-8
* UTF-9/UTF-18
* UTF-16/UCS-2
* UTF-32/UCS-4
* UTF-EBCDIC

On pairs of
code points|

* Combining character
* Compatibility characters
* Duplicate characters
* Equivalence
* Homoglyph
* Precomposed character
* list
* Z-variant
* Variation sequences
* Regional Indicator Symbol
* Fitzpatrick modifiers

Usage|

* Domain names (IDN)
* Email
* Fonts
* HTML
* entity references
* numeric references
* Input
* International Ideographs Core

Related standards|

* Common Locale Data Repository (CLDR)
* GB 18030
* ISO/IEC 8859
* ISO 15924

Related topics|

* Anomalies
* ConScript Unicode Registry
* Ideographic Research Group
* International Components for Unicode
* People involved with Unicode
* Han unification

Scripts and symbols in Unicode

Common and
inherited scripts|

* Combining marks
* Diacritics
* Punctuation
* Space
* Numbers

Modern scripts|

* Adlam
* Arabic
* diacritics
* Armenian
* Balinese
* Bamum
* Batak
* Bengali
* Bopomofo
* Braille
* Buhid
* Burmese
* Canadian Aboriginal
* Chakma
* Cham
* Cherokee
* CJK Unified Ideographs (Han)
* Cyrillic
* Deseret
* Devanagari
* Ge'ez
* Georgian
* Greek
* Gujarati
* Gunjala Gondi
* Gurmukhi
* Hangul
* Hanifi Rohingya
* Hanja
* Hanunuo
* Hebrew
* diacritics
* Hiragana
* Javanese
* Kanji
* Kannada
* Katakana
* Kayah Li
* Khmer
* Lao
* Latin
* Lepcha
* Limbu
* Lisu (Fraser)
* Lontara
* Malayalam
* Masaram Gondi
* Mende Kikakui
* Medefaidrin
* Miao (Pollard)
* Mongolian
* Mru
* N'Ko
* New Tai Lue
* Nüshu
* Nyiakeng Puachue Hmong
* Odia
* Ol Chiki
* Osage
* Osmanya
* Pahawh Hmong
* Pau Cin Hau
* Pracalit (Newa)
* Ranjana
* Rejang
* Samaritan
* Saurashtra
* Shavian
* Sinhala
* Sorang Sompeng
* Sundanese
* Sylheti Nagari
* Syriac
* Tagbanwa
* Tai Le
* Tai Tham
* Tai Viet
* Tamil
* Telugu
* Thaana
* Thai
* Tibetan
* Tifinagh
* Tirhuta
* Vai
* Wancho
* Warang Citi
* Yi

Ancient and
historic scripts|

* Ahom
* Anatolian hieroglyphs
* Ancient North Arabian
* Avestan
* Bassa Vah
* Bhaiksuki
* Brāhmī
* Carian
* Caucasian Albanian
* Coptic
* Cuneiform
* Cypriot
* Dogra
* Egyptian hieroglyphs
* Elbasan
* Elymaic
* Glagolitic
* Gothic
* Grantha
* Hatran
* Imperial Aramaic
* Inscriptional Pahlavi
* Inscriptional Parthian
* Kaithi
* Kharosthi
* Khojki
* Khudawadi
* Linear A
* Linear B
* Lycian
* Lydian
* Mahajani
* Makasar
* Mandaic
* Manichaean
* Marchen
* Meetei Mayek
* Meroitic
* Modi
* Multani
* Nabataean
* Nandinagari
* Ogham
* Old Hungarian
* Old Italic
* Old Permic
* Old Persian cuneiform
* Old Sogdian
* Old Turkic
* Palmyrene
* 'Phags-pa
* Phoenician
* Psalter Pahlavi
* Runic
* Sharada
* Siddham
* Sogdian
* South Arabian
* Soyombo
* Tagalog (Baybayin)
* Takri
* Tangut
* Ugaritic
* Zanabazar Square

Notational scripts|

* Duployan
* SignWriting

Symbols|

* Cultural, political, and religious symbols
* Currency
* Mathematical operators and symbols
* Phonetic symbols (including IPA)
* Emoji

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