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In layman’s terms, they show various objects, classes, packages, components, and more in software and their relationships. Structure diagrams display the architectural and static parts of systems. UML diagrams are categorized into two main groups – structure and behavior diagrams. It uses the OOP concepts such as class, objects, inheritance, abstraction, data encapsulation, and polymorphism. UML is associated with Object-oriented design and analysis. It was developed around 1994 at Rational Software in an effort to standardize the software design process. UML diagrams utilize the concept of UML – a general-purpose, developmental, and modeling language in software engineering intended to offer a better way to visualize system design. Unified Modelling Language (UML) diagrams represent the design, architecture, and implementation of complicated software systems. In this article, I’ll discuss UML diagrams, how they can help you, their usage, and some tools to create these diagrams with ease. In that case, UML diagrams can be of massive help to your team to document the ideas visually and make the development process a bit simpler. Suppose your business revolves around software development and design. Although they might take quite a while to build, the results make it easy for developers to understand the software quickly without wasting time in frequent meetings. This is why UML diagrams are included in many code training and software documentation. And UML diagrams offer you the capabilities to do just that. Representing ideas in visual format is an effective way to make people understand what you want to convey.