Join Posted on 3rd December 201523rd March 2022 by ThePD (The Project Definition) Join means 1) to connect or fasten things together; 2) a place or line where two or more things are connected. 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 word. 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.