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When working with diagrams it is helpful to keep the following concepts in mind:

  • A shape refers to the notation of a model element, such as a package, class, state, use case, object, etc.
  • A path refers to the notation for the various kinds of relationships, such as associations, aggregations, dependency, message, and links.
  • Both paths and shapes are defined as symbols.

The following pages walk you through the procedures for working with the various types of diagrams.