According to the internet, a functional requirements document, abbreviated as frd, is a formal statement of an. We’ll delve into the essential components, explore best. 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. [provide a list of contractual or task level assumptions and/or constraints that are preconditions to preparation of the frd. It provides a single reliable source of.