
If the object types in a subtype-supertype relationship have been redisplayed with-
out the relationship itself, you can now redisplay the relationship as well by selecting
the arrow and control-dragging it to connect to the object types.
More than one model element can be redisplayed at once. So long as you stay on
the same page, you can select all or part of the model displayed on that page, and redis-
play the selection by controlling-dragging it to another position on the page.
6.4 Cloning Model Elements
It is also possible to clone a model element. Cloning creates a new model element (not
just a shape) based on an existing one. When created, the ...