Figurative language that uses several sentences or paragraphs to compare one thing to another is a(n)

1.) motif
2.) extended metaphor
3.) detailed simile
4.) bookend

The correct answer is EXTENDED METAPHOR.
Extended metaphor refers to a comparison between two things that are not alike, which continues throughout a series of sentences in a paragraph or in lines of poem. It is also called sustained metaphor and authors usually use it in order to create a clear comparison between two things.