Chap. 2 of the document emphasizes the importance of requirements engineering (RE) in IT projects. It highlights the need for a professional approach to bridge the gap between business departments and IT experts, ensuring that business requirements are accurately translated into IT solutions. The chapter discusses common issues in IT projects, such as communication barriers and incomplete requirements, and stresses the role of requirements engineers in mitigating these problems. It also addresses the paradox of IT projects, where the significance of RE is acknowledged, but organizations often hesitate to invest the necessary resources. Finally, the chapter underscores the importance of early defect detection in requirements to avoid costly corrections later in the project.