Further, while process flow diagrams (PFDs) are well understood by that name, piping and instrument diagrams (P&IDs) may exist under various other names or variations, such as mechanical flow diagrams ...

This utility parses source code and turns the logic into flow charts and UML-style diagrams.

Flow charts may include different levels of detail as needed, from a high-level overview of an entire system to a detailed diagram of one component process within a larger system.

A process flow diagram can help create an agreed-upon process flow for a third-party standard operating procedure, says Siegfried Schmitt, VP Technical at Parexel.