The Unified Modeling Language is used to create the Library System UML Diagram. These diagrams depict the library management system and its primary users, roles, activities, artifacts, or classes. The Library System UML Diagram was designed to make library management system information easier to understand, update, maintain, and document. The project was visualized using UML diagrams for a library management system. On the other hand, Library Management System UML Diagrams can be used in any industry, not just in software engineering. Its overall goal is to assist teams or developers in visualizing what a project is or how it will function.