Precursor Posted on 13th December 201512th May 2021 by ThePD (The Project Definition) A Precursor is a person or thing that comes before and leads to or influences its development. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in General and tagged person. 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.