Templates - Mediawiki

Templates are segments of Wiki markup that are meant to be copied automatically ("transcluded") into a page. You add them by putting the template's name in {{double braces}}.

Some templates take parameters, as well, which you separate with the pipe character.

Source: http://en.wikipedia.org/wiki/Help:Wikitext_examples

See Also

• http://meta.wikimedia.org/wiki/Help:Template