Where do we find this layes in AOT?

To select to view the application object layers for any object in the AOT:
1. Select Tools > Options.
2. On the Development tab click the drop-down box next to the
Application object layer field.

 

We have different options to select ,those are,

• Show no layers - No objects are labeled with a layer indicator
• Show all layers - All objects are labeled with layer indications for
all layers in which they exist
• Show highest layer - Shows only the highest layer where the object
has been modified
• Show corrected layers - Shows only objects modified in the current
layer or higher and labeled with indication of the highest layer
• Show all from corrected layers - Shows only objects modified in
the current layer or a higher layer, with an indication of all layers of
modification