AutoCAD 2015 and AutoCAD LT 2015 Bible

The most comprehensive AutoCAD book around!

How to control what you see by clipping xrefs and blocks

You can attach other drawings to the current drawing to facilitate the drawing process. For example, you can attach a floor plan to a drawing of an electrical layout to make sure that you put the outlets in the right location. These other drawings are called external references, or xrefs.

Sometimes, xrefs can be large. […]