PIM views documentation as a tool, not just a chore to be done to appease the process gods. Furthermore, documentation is more than just a record of what was designed and implemented; it is a development tool that adds value to any project by
Providing a canonical reference
Providing a higher level of abstraction for identifying, analyzing, and specifying solutions
Providing a concrete medium for reviews
Being easier and faster to rework than source code
Bridging the gap between individuals and disciplines
Providing training and ...
