Hiding parts of a diagram
You may want to single out an idea or concept so you can develop it more completely. To do that, it may be helpful to show only that portion of your diagram.
1.Select the symbol you want to show.
2.On the View menu, choose Focus In.
The symbol and its subtopics show on the screen. The rest of the diagram is hidden.
3.To view the complete diagram again, on the View menu, choose Focus Out.
The whole diagram reappears.