scale, gradation, division (on a measuring instrument)

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

confirmation

confirm, make sure, check, verify

Please have a seat. / Please sit down.

Please wait

(honorific) to give / (honorific) to do something for me/us