To help you upsurge towards your business goals, we suggest you to try using a business requirements document. 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. An frd defines the specific functions and features that the. The functional requirements document (frd) is a formal statement of a product's functional requirements. The frd is produced by business analysts or sometimes the technical team in response to the business.