Answer:
Theme generally refers to the central idea or a perception conveyed in writing. A topic is the subject that is treated or presented within writing. Topics play the role of explaining what a story is all about, while, themes explain the reason why it was written in the first place
Explanation:
His nose serves as a symbol of his own snobbery andpretentious attitude. Once he loses his nose, his entire demeanor towards the world changes. His nose acts as the source of his own pride, and is what allows him to look down on everyone else. The loss of his nose represents a loss of his identity.