Flash Posted on 11th November 201530th August 2020 by ThePD (The Project Definition) Flash means 1) shine in a bright but intermittent way; 2) to move very fast. 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 flash, light. 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.