Is this an analogy? i'm writing a paper for my english class and my teacher wants the students to include an analogy in each paragraph so does this count as an analogy? organizing your paragraphs is the same as organizing things in your room. if this is not an analogy. how would i reword this sentence into one?

In this excerpt from "colonialism in the united states" by henry c. lodge, which word is closest in meaning to the word indelibly? long after the world to which it belonged has vanished, a habit of thought will live on, indelibly imprinted upon a race or nation, like the footprint of some extinct beast or bird upon a piece of stone.