Relationships between model elements

In UML modeling, a relationship is a connection between model elements. A UML relationship is a type of model element that adds semantics to a model by defining the structure and behavior between the model elements.

UML relationships are grouped into six categories:

You can set properties and use keywords to create variations on these relationships.

The following topics describe relationships in modeling diagrams:

Related tasks
Managing relationships between classifiers
Adding relationships to diagrams
Deleting relationships
Specifying relationships in modeling diagrams

Related reference
Relationship types

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