WINDOW allows you to specify entities using a window.  
The cursor is used to indicate the opposite corners of 
the window with a rubberbox.  

Specify the type of window selection by choosing from the
following options. An asterisk indicates which option is
active. The option that is active when you choose the
second corner of the window is the one that is used.

ALL IN - to select the entities lying totally inside the
window. 

PART IN - to select the entities lying at least partly
inside the window.

ALL OUT - to select the entities lying totally outside the
window.

PART OUT - to select the entities lying at least partly 
outside the window.

Indicate a corner of the window by moving the cursor to 
the desired position on the screen, and pressing the 
cursor button or, by pressing the space bar and entering 
the x and y view coordinates.  When the cursor is moved, 
a rubberbox is connected to this first position.

Indicate the opposite corner of the window by moving the 
cursor to the desired position on the screen, and 
pressing the cursor button or, by pressing the space bar 
and entering the x and y view coordinates.

The entities are selected according to the indicated 
menu option (i.e., ALL IN, PART IN, ALL OUT, or 
PART OUT).

