In PDF geometry design mode, the Inventory palette appears alongside the display window. It has two tabs that provide information about separations and viewing options. 

Separations tab

This tab displays the color separations in the files and provides you with related options.

To do these tasksPerform these actions
To view separationsSelect the appropriate check box or check boxes.
To add a separation
  1. Click .
  2. In the Open dialog box, browse to the separation that you want to add.
  3. Click OK. 
To change the color of a selected separation
  1. Click .
  2. Select the desired color.
  3. Click OK. 
To remove a separation
  1. Select the separation.
  2. Click . 
To define a separation as a non-printed separation
(for example, the die separation)
  1. Select the separation.
  2. Click .
    On the Separations tab, the name of this separation now appears in bold.
To replace a separation 
  1. Select the separation that you want to replace.
  2. Click .
  3. In the Open dialog box, browse to the separation that you want to include in the job.
  4. Click Replace.

 View tab

This tab enables you to select what appears in the display window (trim box, bleed, media box).