Diagram

Part of speech: noun (n.)

1. A figure or drawing made to illustrate a statement, or facilitate a demonstration; a plan.

2. Any simple drawing made for mathematical or scientific purposes, or to assist a verbal explanation which refers to it; a mechanical drawing, as distinguished from an artistical one. Indicator diagram. (Steam Engine) See Indicator card, under indicator

Part of speech: verb (v.)

To put into the form of a diagram.