To help you upsurge towards your business goals, we suggest you to try using a business requirements document. Assumptions are future situations beyond the control of the project,. The functional requirements document (frd) is a formal statement of a product's functional requirements. 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. Streamline your project planning with our comprehensive functional requirements document template.