Levels are created in design applications as a means of categorizing and controlling the display of geometry.

The Level Display tab contains a list of levels and models contained in the view. The tab allows you to turn on, off, or invert the display of levels or models and search for levels or models by name. The Level Display tab is accessed by selecting the tab on the bottom of the View screen and then tapping the Level Display icon.

	Switches to a list of the models in the view.
	Turns off all levels/models.
	Turns on all levels/models.
	Inverts display of levels/models.