"A noun's a name. As, candy, heart, slipper."
"What's a compound noun?"
"Two names,—as chicken salad,—Philip Van Reypen,—moonlight."
"What's a mood?"
"Something you fall into,—as a ditch,—or love."
"What is an article?"
"A piece of fancy work for sale at a fair."
"What's a conjunction?"
"Anything that joins,—as the marriage ceremony, or hooks and eyes."
"Good. Now for arithmetic. If you are at home of an evening, and a chap calls on you, and then I come to call, and take half your attention from him, what is left?"