Draw a concept map that contains all concepts that you've learned in this class.
Put a concept within a circle and connect it to the other concepts or names. Mark the arrows indicating the relation that holds between the concepts, e.g., "is a", or "can be" etc.
The more concepts and connections, the better!
TTT, Chapter 14, pages 369-371.
Thinks about the following questions, and be prepared to say something about them in class: