teacher's desk in a classroom

teacher

a textbook

a cautionary tale, an example of what not to do / a person who serves as a living example of what to avoid

the above / the top (position or direction) / the surface of / superior in skill, age, level, etc.

in addition; furthermore / on top of (which)

to put, place, set / to leave (something) / (following a て-form verb) to do something in advance as preparation / (following a て-form verb) to do and keep in that state

upper, over

the start / a high place; the top / one with higher rank

the first volume in a two- or three-volume set