An frd defines the specific functions and features that the. Streamline your project planning with our comprehensive functional requirements document template. 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. A functional specification document (fsd), also known as a functional requirements document (frd), is considered by many project management and software. A user requirements document, written by the product manager, is centered around the end user’s needs and expectations for a product.it translates user requirements into.