Think of it is as mosaic, and it's hard to say that any one piece of a mosaic was necessary to building the mosaic, but to build the complete picture, you need to have all the pieces of information.
모자이크처럼 생각해보면, 모자이크를 만들어 나갈 때는 어느 조각이  필요하다고 말하기 어렵지만 전체 그림을 완성하려면 모든 정보가 필요합니다.