An implicit comparison, not introduced with the word "like" or "as," between two things that are essentially different yet have something in common is called:

The correct answer is: Metaphor.

Explanation:

A metaphor is a figue of speech used to create a non-literal comparison between two things. This means that the two objects that are compared are unrelated but still share common characteristics.

Unlike the simile, the metaphor does not use any connectors between the elements that it compares, rather it says that something is something else.