#uml diagram

BPMN, UML, flowcharts, and data flow diagrams each serve different business process modeling needs. This guide compares nine techniques from Henry Gantt's original charts to modern Colored Petri Nets.

UML was created in 1994 by engineers at Rational Software to standardize system diagrams. Of the 14 UML diagram types, activity and use case diagrams handle 80% of real-world business process documentation needs.