AutoCAD 2008 User's
Guide > Create and Modify
Objects > Create and Use
Blocks (Symbols) > Create and Store
Blocks > Create Drawing Files
for Use as Blocks >
Create Drawing Files for Use as Blocks
Manages and inserts content such as blocks, xrefs, and hatch patterns
Sets the insertion base point for the current drawing
Creates a block definition from objects you select
Saves objects to other file formats
Places a drawing or named block into the current drawing
Restores erased objects
Writes objects or a block to a new drawing file
