The DoDAF models in the Systems Viewpoint describe systems and interconnections providing for, or supporting, DoD functions. DoD functions include warfighting and business functions.
DoDAF 2 models in the Project Viewpoint models, you describe how programs, projects, portfolios, or initiatives deliver capabilities, the organizations contributing to them, and dependencies between them. They include information about programs, projects, portfolios or initiatives. Such information is related to the capabilities and other programs, projects, or initiatives.