Read the dictionary definition of exposition. All definitions for this word.
1. (music) the section of a movement (especially in sonata form) where the major musical themes first occur
2. an account that sets forth the meaning or intent of a writing or discourse
1. we would have understood the play better if there had been some initial exposition of the background
3. a systematic interpretation or explanation (usually written) of a specific topic
4. a collection of things (goods or works of art etc.) for public display
