exposition exposition /ˌɛkspəˈzɪʃən/

noun

1. () A systematic interpretation or explanation (usually written) of a specific topic  ( expounding , exposition )
   a systematic interpretation or explanation (usually written) of a specific topic
   
2. (music) the section of a movement (especially in sonata form) where the major musical themes first occur  ( exposition )
   (music) the section of a movement (especially in sonata form) where the major musical themes first occur
   
3. An account that sets forth the meaning or intent of a writing or discourse  ( exposition )
   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
   we would have understood the play better if there had been some initial exposition of the background
   
4. (art) a collection of things (goods or works of art etc.) for public display  ( expo , exposition , exhibition )
   (art) a collection of things (goods or works of art etc.) for public display
    The science exhibition at the museum is attracting a lot of visitors interested in learning about new technologies
   The science exhibition at the museum is attracting a lot of visitors interested in learning about new technologies