Working With Model Items and Diagrams > Working with diagrams > Basics > Linking diagrams
  
Linking diagrams
1. From an appropriate pane, right-click the diagram that you want to associate with another diagram.
2. Point to Links, and then click Associate Diagrams.
3. In the Types list, select the required diagram type.
4. In the left pane, select the appropriate folder, Package or item to display the required diagram.
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f it takes too long to list the diagrams, press the Escape key to abandon the operation. The diagrams that had been loaded before pressing the Escape key are listed.
5. In the middle or right pane, select the check boxes associated with the diagrams you want to link.
6. In the middle or right pane, clear the check boxes associated with the diagrams you want to unlink.
7. Click OK.
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You can quickly open to a linked diagram through the Associated Diagrams command on its context menu (Reports submenu).