classes:  lecturer. I gave you an example that I did right in theory class, so it's easier to remember, and if you don't understand anything right in the example, I'll explain it to you right away.  curriculum. I gave you an example that I did right in theory class, so it's easier to remember, and if you don't understand anything right in the example, I'll explain it to you right away.  facility. I gave you an example that I did right in theory class, so it's easier to remember, and if you don't understand anything right in the example, I'll explain it to you right away.  general. I gave you an example that I did right in theory class, so it's easier to remember, and if you don't understand anything right in the example, I'll explain it to you right away.