When two essentially dissimilar objects or concepts are expressly compared with one another through the use of “like” or “as", we're using...

This one is a reference, typically brief, to a person, place, thing, event, or other literary work with which the reader is presumably familiar.

The repetition of consonant sounds at the beginning, in the middle, or at the end of words that are close together.

It creates implicit comparisons without the express use of “like” or “as” and helps show that two things are identical in comparison rather than just similar.

It states time and place.

When an author appeals to the reader's five senses.

Exaggeration of things.

Words that express sounds.

The contrast between what appears to be and what really is.