If you end up taking COM100 at Rio Salado with Laura Helminski, I have some advice for you: don’t. Take a different class with a different professor at a different school.
OK, so you just want to get it over with. Hopefully, this will help a bit.
You see, in order to save you money, Rio is using an old version of Communication: Principles for a Lifetime. Bizarrely, somebody decided to randomly insert some material from a different textbook into this bastardized one.
The information on metacommunication appears on page 18 of my Rio textbook. Of course, the folks at Rio couldn’t be bothered to add an entry to this in the Frankenbook’s index. I hope this helps someone out there.
Here are the pages in question from the actual source: metacommunication.