This context data diagram for library management system is also known as the context diagram. It comprises the primary process, users, and data flows. A single process visualization depicts the concept. Level 0 of the DFD defines the entities that interact with the system. It delineates the boundary between the system and its surroundings. This high-level context data diagram for library management system depicts the Library Management Project. The diagram illustrates the main process in a single node to show where the project is heading. We can see how the project will work at a glance here. Users enter data into the system and then return the results. Download EdrawMax today and start making data flow charts that visualize different processes.