We’ll delve into the essential components, explore best. Business requirements documents (brds) center on strategic objectives, business processes and user needs at a high level. Streamline your project planning with our comprehensive functional requirements document template. The functional requirements document (frd) is a formal statement of a product's functional requirements. An frd or functional requirements document serves as a contract for formal statement, between the business stakeholders and the technology team, on an application’s functional requirements.