Requirements engineering is a crucial phase in the software development process that involves eliciting, documenting, validating, and managing the requirements of a software system. This research area focuses on understanding the needs and expectations of users, stakeholders, and the system itself to ensure that the final product meets their needs and is of high quality. Requirements engineering also involves balancing conflicting requirements, prioritizing requirements, and managing changes throughout the development process. Researchers in this area may study various techniques, tools, and methodologies for effectively gathering, analyzing, and defining requirements, as well as evaluating the impact of requirements on the overall software development process. Ultimately, the goal of requirements engineering is to ensure that software systems are developed to meet the intended purpose and the expectations of all stakeholders.