Systems engineering is a discipline that focuses on designing, analyzing, and managing complex systems throughout their life cycle. It involves a holistic approach that considers all aspects of a system, including its components, functions, requirements, and interactions. Systems engineering aims to ensure that the system meets the desired objectives, functions efficiently, and satisfies stakeholder needs. It involves activities such as system specification, design, integration, verification, validation, and maintenance, with a focus on achieving optimal performance, reliability, and safety.