Model-based systems engineering (MBSE) is an approach to system design and development that focuses on creating and using models to define, analyze, and communicate system requirements and designs. In MBSE, systems are modeled using graphical or textual representations that capture the structure, behavior, and interrelationships of the system components. These models serve as a single source of truth for all stakeholders involved in the system development process, helping to ensure consistency and clarity in requirements and designs. MBSE enables engineers to simulate and validate system behavior early in the development process, reducing the risk of errors and delays. It also facilitates communication and collaboration among multidisciplinary teams by providing a common language and framework for discussing system requirements and designs. Overall, MBSE promotes a more holistic and systematic approach to systems engineering, enabling organizations to develop complex systems more efficiently and effectively.