Data Management Capabilities > Managing Part Structures > Product Structure Explorer > About Product Structure Explorer > About the navigation pane
  
About the navigation pane
The structure of an object is viewed in the left pane of the explorer window. Information about the object selected in the structure then displays in the tabs of the right pane.
Next to the expander (+ or -) a part icon displays. If the part is an assembly one of the following icons indicates the current structure view for the assembly.
Icon
Description
Indicates that the child parts of the assembly are expanded in BOM view. Clicking the icon expands the child parts in occurrence view.
Indicates that the child parts of the assembly are expanded in occurrence view. Clicking the icon expands the child parts in BOM view.
In addition to the attributes, icons are used to indicate information related to the object. For more information, see Occurrence and Equivalence Icons.