Table of contents display

摘要

A system and a method for a user interface which presents a table of contents to a user. The interface includes an item presentation area that displays items to the user in one or more groups according to a selected characteristic. The interface further includes a table of contents area that displays a listing of the groups and an indicator showing which of the groups contain items currently visible in the item presentation area. Optionally, the interface is configured to control navigation of the presented items, and the table of contents may indicate the volume of items in the groups.