Answer: An analogy compares two things that are alike.
Explanation: An analogy is a literary device typically used in poetry to compare two things or ideas that are alike. In other words, an analogy allows writers to describe or explain something in terms of another thing that is very similar. In that way, an analogy highlights the similarities between these two things. The structures that are generally used to establish an analogy are "is like" and "as...as".