In the realm of project management, the role of a Business Analyst (BA) focuses on creating and maintaining vital requirement documentation that serves to align stakeholders, including business users and developers. This section specifically discusses three essential documents: the Business Requirements Document (BRD), which outlines high-level business needs; the Functional Requirements Document (FRD), which details the functionalities and behaviors of the system; and the Software Requirements Specification (SRS), which integrates both functional and non-functional requirements in a comprehensive technical layout. Each document is crafted with distinct purposes and key components, serving different target audiences. The BA plays a significant role in gathering business needs, collaborating with stakeholders, and validating requirements to ensure clarity and shared understanding across all parties involved in the project.