> But at the end the deliverable is a combination of documentation, code and software is it not? No. At the end the deliverable is built based on communication

> But at the end the deliverable is a combination of documentation, code and software is it not? No. At the end the deliverable is built based on communication between individuals on a team. If that doesn't work, it doesn't matter how good the code produced by your individuals is; it's going to be a mess.