The coffee shop management system demonstrates how customers, baristas, and managers interact within the system. Customers can register, log in, customize, and place orders, make payments, and track or pick up orders. Baristas manage coffee preparation, while managers oversee staff, handle customer queries, manage inventory, and generate reports. The diagram effectively uses include and extend relationships to show functional dependencies and workflow. It portrays a complete digital coffee management process from customer ordering to staff coordination, ensuring efficiency, better service delivery, and improved inventory control for enhanced café operations.