Learning Communities

What learning communities have you been a part of in your own life/career? How did these learning communities benefit your learning?
Which types of learning communities at UA do you already know about? What could you do in your courses to reinforce the benefits of these learning communities for students?
What might a learning community in your department, major, or minor look like?
How might engaging in learning communities build upon students first year experiences (such as UNIV101)?