A set of definitions exists in the Senate ESEA bill written and voted out of the HELP Committee (Health, Education, Labor and Pensions).
Reps and sets are terms used by exercise professionals, athletes and individuals in the gym. They provide structure and organization to your workout. If you work with a personal trainer or physical therapist, she will prescribe an exercise based on a specific number of sets and reps.
Mr. Previs is also registered with FINRA as a Broker (sometimes referred to as a broker-dealer registered rep, or RR). Brokers are the sales personnel who work for larger brokerage firms.