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UML 2.0 Use Case Diagrams

This section describes the elements of UML 2.0 Use Case Diagrams.

Name 
Description 
An extension point refers to a location within a use case where you can insert action sequences from other use cases.
An extension point consists of a unique name within a use case and a description of the location within the behavior of the use case.
In a use case diagram, extension points are listed in the use case with the heading "Extension Points" (appears as bold text in the Diagram View). 
Diagram courtesy of the Unified Modeling Language: Superstructure version 2.0. August 2003. p. 536
The table below lists the elements of UML 2.0 Use Case diagrams that are available using the Tool Palette.
UML 2.0 Use Case diagram elements  
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