A Code is the accepted rule as a general principle for the practical organisation. In general, a code is a system and a set of rules, and the code is not law, but can be adopted into law.
Related Definitions in the Project: The Engineering
Code
ThePD (The Project Definition)
ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.