Your instructor and institution control which tools are available.
The discussion board is a tool for sharing thoughts and ideas about class materials. Course members can replicate the robust discussions that take place in the traditional classroom. An advantage of using the discussion board is its asynchronous nature. Participants do not need to be in the same location or time zone, and can take time to consider their responses carefully.
You can use the discussion board for the following tasks:
Double-click the video to enlarge the viewing area.
On the course menu, click Tools and click Discussion Board.
Course groups can have their own discussion boards. Group discussion boards are available only to users who are members of the group. If a group discussion board is available, access it from the groups link on the course menu or in the My Groups area.