Business Process Management Notation (BPMN) is a graphical language that helps businesses visualize and communicate the structure of their processes. It allows business owners, process engineers, and project managers to map out their processes in a clear and concise way, making it easier for everyone involved to understand how the business works. BPMN also makes it easier to show relationships between processes and activities, improving workflow and making process improvement easier. With its simple visual language, BPMN is an indispensable tool for any business looking to optimize its processes and increase efficiency.