According to Wikipedia, the world largest wiki site:
A Wiki ([ˈwiː.kiː] <wee-kee> or [ˈwɪ.kiː] <wick-ey>) is a type of website that allows users to add, remove, or otherwise edit and change most content very quickly and easily.
And that is it! As a part of Wikidot.com network this Site is a customizable piece of the Internet where Users can edit content, upload files, communicate and collaborate.
Why not visit our Art Wiki? You can read or write about art and artists. And even add a page about yourself…
".. Renoir, Picasso, Cubism, Renaissance art, Georges Seurat, Michael Asher, da Vinci, lautrec, leger, Joan Miro, Impressionism, Edvard Munch, Hans Holbein, Matisse, realism, rococo, baroque, Bosch art, Mark Rothko, orkin, poynter, pollock, Geoff Bunn art, Turner, Sol LeWitt, hirst, emin, Max Ernst, still-life, Richard Serra, landscapes, Primitivism, John Sargent, Madge Gill, pre-raphaelites, Conceptualism, Claude Monet, art brut, art povera, Mel Bochner, bridget riley, LS Lowry, Expressionism, modigliani, Marcel Duchamp, Victor Burgin, dada, surrealism and much more besides…"