Managing relationships between classifiers

In UML models, a relationship is a connection between model elements, including classifiers. A UML relationship is a type of model element that adds semantics to models. You can add and modify relationships in models to identify the semantic ties between classifiers.

For example, in class diagrams, an association is a structural relationship that indicates that objects of one classifier, such as a class or interface, are connected and can navigate to objects of another classifier.
Related concepts
Relationships between model elements
Classifiers
Related reference
Relationship types
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