Phillips screwdriver

to fasten / to kill (fish)

to use / to employ / to make use of, to apply / to spend

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

Please do (action)

Please do not (do)

an addition / of a number, being positive / a plus, a benefit, a gain, an asset

plus, an operator in arithmetic

add

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