Blackboard Icons and What They Mean
Blackboard has many different icons that give a visual clue as to what the item is. Knowing what the icons stand for can help streamline the user experience. The link below explains what most of the common icons are within the Bb environment.
http://helpdesk.etown.edu/helpconsole2012/KB/default.aspx#pageid=what_do_the_icons_in_bb_mean