See Options for detailed information about each option you can set. The forums you selected now appear in the main forum page. Collapsing the list of threads in a forum Within a forum, the list of threads may be very long. To help you see what forums are available, you can collapse the list of threads in a forum in the main forums page. In the main forum page, click the arrow button next to the forum name.
Forums hides the list of threads in the forum.
Click the arrow button again to expand the list of threads in the forum.