concrete. A pictorial representation, delineation; a drawing or plan. Obsolete.

A picture or design made by making lines or marks with a pencil, pen, or other implement; a sketch.

A line or figure drawn; a tracing, drawing, or sketch of an object or of a piece of work; the traced record of a self-recording instrument; in For…

concrete. That which is produced by tracing or drawing; a drawing; spec. a copy made by tracing; also, the record of a self-registering instrument.

a representation, e.g. of a computer memory, in which each item is represented by one bit; spec. a graphic display in which characters are formed by…