The following options are available when you select User-Defined as the index type.
User-defined indexes are available in the create a new user-defined index in your document.box when you
Includes tables in the index.
Includes graphics in the index.
Includes frames in the index.
Includes OLE objects in the index.
Assign index level according to the outline level of the heading immediately prior to the table, graphic, frame, or OLE object. With default settings, the higher the outline level, the greater the indent in the generated index.