1. exhibition or fair: a large exhibition, e.g. of industrial achievements, sometimes international in scope
2. detailed description or discussion: a detailed description of a theory, problem, or proposal discussing the issues involved, or a commentary on a written text discussing its meaning and implications
3. act of describing or discussing something: the act of describing and discussing a theory, problem, or proposal, or of commenting on a written text
4. music opening section of musical composition: the opening section of a piece of music, especially of a sonata or fugue, in which the principal themes are introduced
5. literature theater revelation of story's background: the part of a literary or dramatic work in which the basic facts of setting and character are made known
[14th century. Directly or via French< Latin exposition-< exposit-, past participle of exponere (see expound)]
