Graffiti it is a rapidly developing art form whose value is highly contested and reviled by many authorities while also subject to protection, sometimes within the same jurisdiction. Both "graffiti" and its occasional singular form "graffito" are from the Italian word "graffiato" ("scratched"). "Graffiti" is applied in art history to works of art produced by scratching a design into a surface. A related term is "sgraffito", which involves scratching through one layer of pigment to reveal another beneath it. This technique was primarily used by potters who would glaze their wares and then scratch a design into it. In ancient times
Stencil graffiti and unknown to each other. Over the years this form of graffiti has become a worldwide subculture. The members are linked through the Internet and the images spray-painted on the urban canvas they place throughout the world. Many of its members connect through blogs and websites that are specifically built to display works, get feedback on posted works, and receive news of what is going on in the world of stencil graffiti. Stencil graffiti is illegal in some jurisdictions, and many of the members of this subculture shroud their identities in aliases. Above, Banksy, Blek le Rat, Vhils, and Shepard