Piece

A part of a larger whole, usually in such a form that it is able to be separated from other parts.

A single item belonging to a class of similar items.

One of the figures used in playing chess, specifically a higher-value figure as distinguished from a pawn; (by extension) those with which draughts, backgammon, and other similar board games are played.

To assemble (something real or figurative).

To make, enlarge, or repair, by the addition of a piece or pieces; to patch; often with out.