Add Objects
Right-click on the diagram to open the tool palette:

Select an object to add it to the diagram.
To rename an object, select it and start typing. You can also press F2 or rename it via the properties panel or the navigator.

To create a relationship, select the source object and drag the connector to the target object. If multiple relationship types are available, a selection dialog will appear.

Relationships, like objects, have properties:
