D APPENDIX D APPLICATION AREA EXTENSIONS D.1 Need for Application Area Extensions Application area extensions are necessary when there are generally accepted knowledge and practices for a category of projects in one application area that are not generally accepted across the full range of project types in most application areas. Application area extensions reflect: · Unique or unusual aspects of the project environment of which the project management team must be aware, in order to manage the project efficiently and effectively, and · Common knowledge and practices that, if followed, will improve the efficiency and effectiveness of the project (e.g., standard work breakdown structures). Application area-specific knowledge and practices can arise as a result of many factors, including, but not limited to, differences in cultural norms, technical terminology, societal impact, or project life cycles. For example: