Predicting the future is hard so try improve something iteratively.

Predicting the future tends to be a waste of time and resources. It is better to take a breadth-first approach and get the basics right. Then, let the details emerge and plan on regular refactoring to keep the architecture healthy.

RTM

 Requirements/Reverse Traceability Matrix

요구 사항이 실제 설계, 테스트케이스, 코드로 어떻게 구현되었는지 역추적 할 수 있다.