L21. PreTest

For each of the following terms, rate how well you understand them. 

1 = I've never even heard the word.

2 = I think I've heard of it.

3 = I've definitely heard of this and have a vague idea of what it is.

4 = I have a good idea of what this is.

5 = I understand what this is and I think I could explain it to someone.