[TOC] tab

The table of contents of the category to which the topic displayed on the right screen belongs is displayed.

A title with a mark at the beginning has subtopics. Click the mark to display the subtopics of the title. Also, click the mark to close the subtopics.

  • Click [Expand all] to display all the topic titles of the category.

  • Click [Collapse all] to close all the expanded titles.