What is theme and what is topic?

Answer 1

Theme is like a tree stem around which topics are are like branches. The theme is a broader aspect that is the chief concern of a piece of composition. A topic is a relevantly limited subject of discussion. A theme may be discussed under various topics. We can say that a theme is the chief subject where as a topic deals with a particular part of the theme.

Answer 2

A theme is the underlying message or central idea in a work of literature, while a topic is the subject matter or main focus of a text. Themes are abstract concepts that communicate broader lessons or truths, whereas topics are more specific and concrete subjects that a work may address.