exposition-n; 4 Senses

Sense Number 1: a detailed interpretation or analysis of an idea, often written

Commentary: EXPOSITION[+entity][+artifact][+writing][+analysis][+detailed] [+activity][+verbal][+interpretation][+detailed]

It's a new exposition on 17th-century British mercantilism.
The students found the philosophical expositions of Kant difficult to understand.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: a collection of things on public display

Commentary: EXPOSITION[+entity][+artifact][+collection][+on_display][+public] [+event][+social][+display][+public][+of_artifacts]

We went to the opening of the new exposition at the fine arts museum.
The paper lists plays, gallery expositions and other events in the Friday edition.
There were over 200 vendors at the trade show exposition.
Photographs by Ansel Adams were part of the exposition.

WordNet 3.0 Sense Numbers: 2

Sense Number 3: the back story or background context of a fictional work

Commentary: EXPOSITION[+entity][+artifact][+writing][+back_story][+of_work][+fictional] [+activity][+verbal][+development][+back_story]

The screenwriters' workshop taught us how to develop the exposition of our stories.
The plot of that film needed more exposition to motivate the actions of the hero.


Sense Number 4: section of a musical composition where major themes are introduced

Commentary: EXPOSITION[+entity][+artifact][+composition][+musical][+section][+introduction][+of_theme][+major]

The exposition of the sonata introduces the well-known theme of that composition.
Mary played the exposition of the Bach fugue on the church pipe organ.

WordNet 3.0 Sense Numbers: 4