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A stick figure standing for a role.
Also known as: External role notation UML, Use case actor
The UML notation for an actor, a role external to the system that interacts with it.
Represents a role external to the system that interacts with it.
Contexts: Technical drawing, Software
Draws a person even when the actor is another system, so the figure names a role rather than a human and is routinely misread as one.
Contexts: Technical drawing, Software
A stick figure of a head circle above a body and four limb strokes, labelled beneath.