Proper documentation of product after design include Engineering Documentation, Production and Purchasing Inputs, Service Manuals, Operator Manual, Quick Reference Cards. Charts and Tech Catalogs.
There are more important documentation before you start planning product design. These impact everything else, but we should not get stuck up on Red Tape.
Docs, Notes and Logging are essential and need to be simple. ISO 9000/Agilent - "Document what you do. Do what you document."