(n) A diagram used in electronic and piping systems to describe the system's process and the flow of material (or electronic signals) through the proposed design. Since these diagrams only depict the functional nature of the system, they do not show the true spatial layout or geometry of the components.

a diagram of the sequence of operations in a computer program or an accounting system

a graphical means of presenting, describing, or analyzing a process

a graphic representation of a water, steam, refrigerant, air, or thermal-fluid system

a tool used to represent systems graphically

graphic means of presenting an overview of how processes work, usually consisting of graphic boxes and other shapes, and lines and arrows.

A graphic depiction of steps in a process.

The diagrammatic representation of the structure of a system illustrating physical and information flows between compartments

A diagram showing the essential steps in a calculation, in particular the various branches which may occur for different cases.