Parts could be defined in many different ways.The Executive Branch of government is headed by the President ofthe United States, with the Vice President of the UnitedStates.Within the Executive Branch are fifteen federal departments:-Department of State-Department of the Treasury-Department of Defense-Department of Justice-Department of the Interior-Department of Agriculture-Department of Commerce-Department of Labor-Department of Health and Human Services-Department of House and Urban Development-Department of Transportation-Department of Energy-Department of Education-Department of Veterans Affairs-Department of Homeland SecurityWithin these fifteen departments are federal agencies, which aretasked with enforcing Federal Laws, carrying out federal mandates,protecting U.S interests, and assisting with the executiveagenda.