Flow diagram

Flow diagram is a popular depiction of a process, using standard symbols for activities and flow direction. It originated in software design during the 1950s and evolved into the process mapping widely used today.

Definition

According to Juran's Quality Handbook by Defeo (7th edition),

Flow diagram. A popular depiction of a process, using standard symbols for activities and flow direction. It originated in software design during the 1950s and evolved into the process mapping widely used today.