A. B. & C. Answer d. is not logical and answer e. is something you should do before a wildfire.
In weight training the definition of a set, is specific number of repetitions of the same exercise. Give me a set of 10 sit ups, and a set of push ups (implied 10 in that sentence) because the set was defined with the 10 sit ups.
I do not have an answer to the comtemporary term.....
