Discussions in Interact2 resemble an electronic bulletin board, where users post their messages when they have time.
Discussions can serve a range of purposes:
In the Discussion Board, a forum is a general topic for discussion. A thread is subordinate discussion within the forum.
For more information view Create a Forum in Blackboard
If you subscribe to the forum you will receive an email notification when posts are made.
If you want to stop email notifications for the discussion thread, select UNSUBSCRIBE.