Lead-In Part A Business Process Model and Notation, or BPMN, is a graphical illustration depicting business processes in a specific business process model. The primary usage of BPMN is to ensure that the entire business process is well understood by both technical and business users from a team. Typically, a BPMN diagram provides a notation that helps the business users understand the business-related information but can also depict the complex process semantics for the technical department. In a traditional BPMN 2.0 diagram, there are four elements that help the business and technical team understand the business processes: Flow Objects