it's the "Hey there! We're all about making friends, but please keep use of our question feature to school-related questions only. So follow the rules, ask solid questions and, of course, have fun! But remember to always stick to our Community Guidelines when you do!" for me
Typically an online message board of some type. When I was an online student, we had the option to pull up a forum-like message board that gave us direct links to study-guides. We could also access textbooks and other resources from there.
