w:Street art is an area still very much under exploration and as such its vocabulary is not established.
w:Site-specific art w:Street installation w:Public art w:Land art
although street art is more associated with w:Urban art w:Guerrilla art
Some forms include:
Stencil graffiti, wheat-pasted poster art or sticker art, pop up art
In w:Fine Art there is a history of installation art and site specific art.
Also related is the art history of:
"live art", "action art", "actions", "intervention"