Orthographic Posted on 11th December 201514th May 2021 by ThePD (The Project Definition) Orthographic is a conventional spelling system of a language, or a representation of the sounds of a language by written or printed symbols. 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 document, 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.