According to the internet, a functional requirements document, abbreviated as frd, is a formal statement of an. 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. We’ll delve into the essential components, explore best. 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. If you are unfamiliar with this document, do not be vexed.