Final answer:
A schematic is a graphic representation of an assembly or system that indicates various parts and methods or principles of operation.
Step-by-step explanation:
A graphic representation of an assembly or system is called a schematic. It indicates various parts and methods or principles of operation. Schematics are widely used in engineering to visually represent the components and functioning of a system or assembly, including electrical subsystems and computer code. They can also represent circuits, showing the main features and allowing for analysis of different situations.