Core Concepts in Software Engineering" is an in-depth guide designed to offer readers a thorough understanding of the key aspects involved in the field of software development. The fundamental ideas that establish software engineering as a field are covered in the book, along with insights into the different stages that software projects go through, from inception to completion. Readers will explore how different development approaches and methodologies are applied to manage complex software projects, ensuring efficiency and quality. The book also provides a detailed discussion on managing software projects, focusing on crucial aspects such as planning, scheduling, risk mitigation, and resource management, which are essential for the successful execution of projects. Emphasizing on the importance of gathering and specifying accurate requirements, as this is the key for alignment of the final product with user needs and business objectives. Afterwards the book also explains the significance of coding practices, testing strategies, and quality assurance methods, guiding readers through the critical steps to ensure that software is robust, reliable, and meets all required standards. With practical examples, the detailed discussions on process models, and strategies for project management, this book serves as an essential resource for anyone looking to master the core concepts of software engineering and apply them to real-world projects.