The document introduces BPMN (Business Process Modeling Notation), which is a standard for visually depicting business processes. BPMN provides a common language that can be used to document processes and bridge communication gaps. It allows businesses to define their procedures through business process diagrams. The document outlines the key elements of BPMN like events, activities, gateways, sequence flows, and pools/swimlanes. It emphasizes that BPMN can help organizations clearly define and optimize their processes.