Finally!!! I found a video that includes an interview with author William Lutz, who developed the concept of doublespeak, as outlined in your textbook. While this interview is about 7 minutes long, it’s a pretty good foundation of the concept that most students find difficult. Remember that there are 4 types of doublespeak: jargon, euphemism, gobbledygook, and inflated language.
It may be helpful to make a card for each of these types to help you remember them. When you do, write the term on one side, then the explanation on the other, followed by a couple of examples.
Here’s the video: