exposition

Noun

• (music) the section of a movement (especially in sonata form) where the major musical themes first occur

• an account that sets forth the meaning or intent of a writing or discourse
  • we would have understood the play better if there had been some initial exposition of the background
    

• a collection of things (goods or works of art etc.) for public display

• a systematic interpretation or explanation (usually written) of a specific topic

Related words

• Synonyms: 
  exhibition , expo , expounding