Wikis are websites containing strings of information on a single topic or mutliple similar topics often fan wikis are made, such as a wiki for a game that is filled with known bugs and content in the game. or a wiki about a partoicular celebrity and their history. A big websites like wikipedia for example is an example of a massive wiki containing almost everything about everything.
wikis in general can be edited and changed by anyone, this allows errors to be corrected and new information to be added regularly so they can grow massively.
