Communication is the process is sharing information among two of more individuals. Traditionally communication has usually been associated with speech or language. There are also non-verbal forms of communication such as body language or even pheromones.
Unique to humans is long distance communication such as writing letters, or, in more recent times, email, telephones, or chat rooms.
On a less personal note, movies, television shows, or newspapers can all give information on values or how to think that is a form of communication to the recipient.