If you have a block drawing, in MODEL layout & you want to show a part of it (as in a rectangular view). What is the command you enter to have that?

Command :  Xclip,

You can clip the part of your Blcok,Xrefrence files in a rectangular frame,remailing all will hide....

ucan use plot command for eassy view 

1. Create a viewport using the MVIEW (MV) command.

2. Enter your viewport by typing MS (or double-click in the viewport)

3. Zoom in using a specific ratio by typing in Z <ENTER> ___/___XP <ENTER>

4. Leave your viewport by typing PS and return to paper space.

I hope that it will help you.