1) The document discusses different terms that can be used to refer to adult educators such as teacher, facilitator, instructor, and trainer. These terms are suitable for different contexts. 2) It notes that many adult educators do not have specific teaching degrees but still need training to be effective. They often teach as part of another job. 3) The goal of the textbook is to teach how to teach adults and guide readers through experiences to boost confidence and help them learn about themselves and others as educators. It encourages continuing to the next chapter for more information.