Oldest known version of this page was edited on 2004-03-10 15:05:00 by Roland Stens []
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Actor
In the Unified Modeling Language (UML), an actor is something or someone who supplies a stimulus to the system. It can also be though of as something the system requires in order to function. Without a customer (an actor) in a restaurant, the process of ordering food cannot begin. In addition to actors there also exists primary actors.