In this section, we delve into key business requirements crucial for Business Analysts across diverse sectors: e-commerce, healthcare, and banking. Through three case studies, we showcase specific project objectives and intended outcomes while emphasizing the importance of these requirements in driving project success. Each case study reflects distinct operational characteristics and user expectations, including dynamic features like cart management in e-commerce, appointment scheduling in healthcare, and digital loan application processes in banking. This analysis is pivotal as understanding these requirements helps business analysts effectively shape user stories, stakeholder engagement, and validation processes, ultimately resulting in successful project delivery.