How to quickly navigate to different areas of models 

Use

You can quickly replace the displayed area of the current model.

Procedure

...

       1.      If necessary, activate the tab containing the desired model.

       2.      Choose the Model Overview  tab.

       3.      Click on the frame, hold down the mouse button and move it in the desired direction.

Result

The model items that are enclosed by the frame are placed in the visible area in the model window.