New    (Cmd-N)
   The New command enables you to create a new document window. 
 When New is selected from the File pull-down menu, a dialog box 
 appears that allows you to set the attributes of the new document. 
 These attributes include:
    Page Size — the size of the document’s page. This can range from 
 as small as 1" x 1", to as large as 24" x 24" (for facing-page 
 documents) or 48" x 48" (for single-sided documents). 
  
 US Letter
 8 1/2" wide, 11" tall (default setting) 
  
 US Legal
 8 1/2" wide, 14" tall 
  
 A4 Letter
 210 mm wide, 297 mm tall 
  
 B5 Letter
 182 mm wide, 257 mm tall 
  
 Tabloid
 
 11" wide, 17" tall 
  
 Other
size specified by Width and Height  
     Units - the measurement units for all the numerical information in
 the dialog box. It specifies also the units displayed on the rulers, when
 document is created.
Margin Guides — the distance from the page guides to the edges of
 the paper. Margins are preset to 1/2" on top and bottom sides and to
 0.7” on left and right sides.
Double Sided Pages can be used to indicate Inside/Outside
 margins versus Left/Right, and to set up the original master page
 with left and right page components. 
Pages  — defines th of the starting page and the number of
 pages in a document. 
Column  — defines columns for the original master page and the first
 page of the document. 
Number - defines the number of columns.
Spacing - changes the distance between columns.
If Automatic Text Box is checked, the original master page and
 first page of the document will contain an automatic text box having
 the specifications defined by the Page Size, Margin Guides and
 Column Guides.