What is the best definition of satire in literature?

Humorous imitation of a literary work that aims to point out the work's shortcomings; imitates some defining feature of the work, such as its style, exaggerating it to comic effect. pun.

Explanation:

It is a work of prose fiction which makes use of humour which is intended to make the reader laugh at the mistakes of the character but at the same time think of constructive methods that can be employed to correct such mistakes

lets none because you provide no details.

but it is sometime nessary to hit key points or subjects   but is sometimes to much reveiw if there was a way to slim down the redone work it would improve for every body.