When you create a layout, you can add layout viewports that act as windows into model space. In each layout viewport, you can control the view that is displayed.
To scale each displayed view in the plotted drawing accurately, set the scale of each view relative to paper space.
You can control the visibility of objects in layout viewports using several methods. These methods are useful for emphasizing or hiding different elements of a drawing, and for reducing screen regeneration time.
You can scale linetypes in paper space either based on the drawing units of the space in which the object was created or based on the paper space units.
You can arrange the elements of your drawing by aligning the view in one layout viewport with the view in another viewport.
You can rotate an entire view within a layout viewport by changing the UCS and using the PLAN command.