Radial Posted on 18th December 201510th May 2021 by ThePD (The Project Definition) Radial means having parts arranged in straight lines coming out from the centre point. 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 Science and tagged mathematics. 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.