A series of 21 BPMN Distilled Videos that explain every aspect of the Business Process Modeling Notation.
Looking to view the entire BPMN Distilled Video series? This page indexes the entire series:
What kind of Organizational Assets are Business Processes?
What are the Benefits of Process Modeling?
What constitutes a BPMN Process Diagram?
BPMN Controlled and Uncontrolled Flows
BPMN Sub-Processes - Behaviors