Configuring the Object Types (Views) and Details of a Diagram
The Views and Details window presents an extended list of object types (views) that can be displayed in the diagram. This list depends on the diagram type.
To configure the views window:
1. In the diagram toolbar, select Views and Details 
.
.The list of views (object types to be displayed) appears.
2. Select or clear the views you want to display or not.
Drawing objects enables to show or hide purely graphical elements representing neither object nor link.3. Click OK.
The display and the insert toolbar of the diagram are updated according to the configuration specified.