A body, a collection.
Such a collection in form of an electronic database used for linguistic analyses.
A collection of writings, often on a specific topic, of a specific genre, from a specific demographic or a particular author, etc.
A puzzle or difficulty.
The basic, central, or essential point or feature.
The critical or transitional moment or issue, a turning point.
The hardest point of a climb.
A cross on a coat of arms.