Many types of matches, sometimes called "concept" or "gimmick matches" in the jargon of the business, can be found in the performance art that is professional wrestling. Some of them are especially crowd pleasing and occur relatively frequently, while others are developed so as to advance a storyline, and thus, such match types are used rarely. Specific match types in professional wrestling are often notable due to either their frequent use, logistics of setup, or a memorable instances of such a match. Often, specialty matches are used as a finale to a popular or infamous storyline.