panel

A flat, usually rectangular piece forming a raised, recessed, or framed part of the surface in which it is set.

The space or section in a fence or railing between two posts.

A vertical section of fabric; a gore.

A thin wooden board, used as a surface for an oil painting.

A painting on such a board.

A board having switches or buttons to control an electric device.

An instrument panel.

A section of a telephone switchboard.