Discussion Boards in Blackboard 9.1

Only one day into our semester and I am learning how much people do not understand all the features of Blackboard's (Bb) discussion board features. Hopefully, this post will help some. 

To mark threads as read/unread:


Select a thread by clicking the check box next to it.
Point to Thread Actions, and then click Mark as Read or Mark as Unread. 

To lock Threads:



    Select a thread by