borders (outer lines) of a box

line / level / beam

red line / (historical) Short for 赤線地帯(あかせんちたい) (akasenchitai): Akasen (districts in Japan where prostitution and the sex industry flourished)

a change, alteration

to modify, alter, change

frame, framework

Please do (action)

Please do not (do)

please give me / (expressing a request) please do something for me

please give me / (polite, imperative) please do something for me; expressing a request