Noun
BPMN (countable and uncountable, plural BPMNs)
Initialism of Business Process Model and Notation.
A diagram in BPMN is assembled from a small set of core elements, making it easy for technical and non-technical observers to understand the processes involved. Source: Internet
BPMN also is a business counterpart to the Unified Modeling Language (UML) used in software design. Source: Internet