Documentation is an essential task of a business analyst. There are many documents a business analyst creates to depict the requirements and discussions about new features; BRD (business requirement document) and FRD (Functional requirement document) are among them. BRD highlights the "Business requirements." It is a formal document illustrating the verbal and written requirements provided by the client. FRD highlights the "Functional requirements." This high-level document is created with the supervision of a technical expert to describe the functional and technical specifications of the software.