In any case, the flow chart shows the overall structure of the process or system, traces the flow of information and work through it, and highlights key processing and decision points.

How to Streamline Work Process and Improve Work Flow. Many work processes are developed on an ad hoc basis and become the standard model for getting work done through sheer repetition.

Purpose To produce and maintain a recommended practice for the development and use of process flow diagrams and piping and instrument diagrams. Meetings ISA5.7 does much of its work electronically.

Because data flow diagrams were developed by system engineers rather than security pros, they include a lot of overhead that isn’t necessary for threat modeling.