This EdrawMax template illustrates a comprehensive UML (Unified Modeling Language) class diagram for an online food ordering system, showcasing the intricate object-oriented structure. It outlines the classes such as MenuItems, User, Admin, Bill, and Payment, along with their attributes and methods, detailing how they interact within the system. This diagram serves as a blueprint for developers to implement a robust backend that supports user management, menu customization, order processing, and payment operations. It is an essential tool for system architects, software developers, and engineers in planning and visualizing the design of a software application.