Executive Office of the President

The cluster of presidential staff agencies that help the president carry out his responsibilities. Currently the office includes the NSC, WHO, OMB, the Council of Economic Advisers, and several other units.

White House Office

entity within the Executive Office of the President; headed by the White House Chief of Staff, who is also the head of the Executive Office.

National Security Council

the principal forum used by the President for consideration of national security and foreign policy matters with senior national security advisors and Cabinet officials and is part of the Executive Office of the President of the United States

Office of Management and Budget

serves the President in overseeing the implementation of his vision across the Executive Branch. Specifically, their mission is to assist the President in meeting his policy, budget, management and regulatory objectives and to fulfill the agency's statutory responsibilities.

currently Reince Priebus; the highest-ranking employee of the White House

Sean Spicer; the individual charged with interacting and communicating with journalists on a daily basis

reinserts the Speaker and President Pro Temp in the line of succession; est the line of succession in the event that neither a Pres nor VP is able to "discharge the powers and duties of the office"; sets up the "who" in succession

Amendment that creates a chain of succession for filling in the presidential seat in case of death/incapacitation; sets up the "how" in succession

Person who does not go to the State of the Union in case of an emergency