把:手掌附着(catch)在柄部(such as a rail of stair, a bar...)表面. this is the reason of why we refer to a knife as 一“把”刀
把 noun : you catch the noun
把 noun 怎么样:怎么: how ,样:appearance. you catch the noun and then what do you want to make it to be(make it to be adj or noun just like sth‘s appearance/looks changed by you)
把noun做什么: you catch the noun and then what do you want to do?
把 noun 给我:you catch the noun and then give it to me.
noun can be a concrete or abstract.
but when you say 把水喝掉,actually, the object you catch is not the water, but the cup.