In a UML model, you can create one or more class diagrams to illustrate the static structure of a model.
Adding class diagrams to model elements
In a UML model, you can add class diagrams to provide various static structural perspectives of the system that you are modeling.Adding classifiers to class diagrams
In UML models, you can add classifiers to class diagrams.
Parent topic: Modeling static structure by using class diagrams
Related concepts
Class diagrams