Software Engineering is a systematic approach to the development, operation, and maintenance of software. It encompasses various methodologies and practices aimed at producing high-quality software that meets user requirements and is delivered on time and within budget. Key aspects include requirements analysis, design, implementation, and testing. The field of Software Engineering also emphasizes collaboration among teams and the use of tools and technologies to enhance productivity. By applying principles from computer science and project management, software engineers strive to create reliable and efficient software solutions that can adapt to changing needs.