According to the internet, a functional requirements document, abbreviated as frd, is a formal statement of an. Documenting the functional requirements provides several important benefits to the organisation and to the process of developing a solution. It allows you to apply a ratings system to your requirements, so you have the visibility (into the value, status, and description of each requirement) that’s. Are you wondering what a functional requirements document or what an frd is? If you are unfamiliar with this document, do not be vexed.