 Further, arguably, what separates FD from other design methods- is that it provides a concise high-level medium of architectural discourse that is end-to-end, revealing flaws in upstream requirements and beneficially exposing more design decisions in advance.And lastly, FD is known to prioritize development.Arguably, if the FD is correct, the most re-usable and cost-determined parts of the program are identified far earlier in the development cycle.