Change Work Posted on 5th November 201515th February 2021 by ThePD (The Project Definition) Change Work refers to the Change Order (CO). Related Definitions in the Project: The Change Management 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 Management and tagged change, project, scope, term, work. 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.