Architecting and designing : UML 2.0 Lite : UML models : Introductory tour of UML diagrams : Developing systems with UML : Modeling component behavior
  
Modeling component behavior
Use the Component diagram to model the structure of the software, including dependencies among software components, binary code components, and executable components.
The Component diagram is drawn as a graph of components, sometimes grouped in a package, and the dependencies that exist between components (and packages of components).
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Modeling distribution and implementation
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Modeling class dynamic behavior with State diagram
See also
Developing systems with UML