It defines his her aim and establishes the need to achieve them​

(you didn't attach a copy of the poem, but i'm answering as best as i can)

since a simile compares two unlike things using like or as, it kind of gives an item the ability to do something it can't.

example: "the player was like a tiger on the field"

in this sentence, the simile conveys the idea that the player was fast and strong, like a tiger.

the correct answer is: reveal gregor as an untidy individual.

in metamorphosis by franz kafka, gregor samsa is the main character, who one day wakes up as a bug, and the attitude he takes upon his transformation forces him to go deeper on his existence and the new features of his body.

in this excerpt the writer mentions a table full of collection textile samples, which gives us a hint about gregor being messy. later on the book we discover how he is a really untidy individual.