Hello! can someone explain me what is mean by gerunds and how is it used?

A gerund is a form of a verb that ends in -ing that is used as a noun. ... It looks like a verb, but it acts like a noun. For example, the word swimming is an example of a gerund. We can use the word swimming in a sentence as a noun to refer to the act of moving around in water as in Swimming is fun.

you shopuld find your answers here if you need more. the answer is the infinite variety of human nature

it ends with a marriage, but also with prospero giving up his power.

the tempest is a play written by william shakespeare between 1610-1611, it narrates the story of prospero a magician that sets a storm to wreck a ship, this sets the story to kill the king of naples. while it is a romantic style play, it isn´t traditional because of the ending, it end with the marriage and the magician giving up his powers.