Exposition - Definition

n 1: a systematic interpretation or explanation (usually
written) of a specific topic [syn: exposition,
expounding]
2: a collection of things (goods or works of art etc.) for
public display [syn: exhibition, exposition, expo]
3: 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"
4: (music) the section of a movement (especially in sonata form)
where the major musical themes first occur