advice and consent - Terms in the Constitution describing the U.S. Senate’s power to review and approve treaties and presidential appointments.

appointment power - The authority vested in the president to fill a government office or position. 

Cabinet -  An advisory group selected by the president to aid in making decisions. 

chief diplomat -  The role of the president in recognizing foreign governments, making treaties, and effecting executive agreements.

chief executive - The role of the president as head of the executive branch of the government.

chief legislator - The role of the president in influencing the making of laws.

chief of staff - The person who is named to direct the White House Office and advise the president.

civil service - A collective term for the body of employees working for the government. 

commander in chief - The role of the president as supreme commander of the military forces of the United States and of the state National Guard units when they are called into federal service.

Commutation -  The communication of a criminal sentence means that the sentence can be reduced in length to a specified number of years or to the time served. Commuting a sentence may reflect a change in the laws since the individual was convicted.

constitutional powers - A power vested in the president by Article II of the Constitution.

diplomatic recognition - The formal acknowledgment of a foreign government as legitimate.

emergency powers - Inherent powers exercised by the president during a period of national crisis.

executive agreement  - An international agreement made by the president, without senatorial ratification, with the head of a foreign state.

Executive Office of the President (EOP) - An organization established by President Franklin D. Roosevelt to assist the president in carrying out major duties.

executive order - A rule or regulation issued by the president that has the effect of law. 

executive privilege - The right of executive officials to withhold information from or refuse to appear before a legislative committee.

expressed powers - A power of the president that is expressly written into the Constitution or into statutory law.

Federal Register - A publication of the U.S. government that prints executive orders, rules, and regulations.

head of state - The role of the president as ceremonial head of the government.

Impeachment - An action by the House of Representatives to accuse the president, vice president, or other civil officers of the United States of committing “Treason, Bribery, or other high Crimes and Misdemeanors.”

inherent powers - Powers of the president derived from the statements in the Constitution that “the executive Power shall be vested in a President” and that the president should “take Care that the Laws be faithfully executed”

kitchen cabinet - The informal advisors to the president. 

line-item veto -  The power of an executive to veto individual lines or items within a piece of legislation without vetoing the entire bill.

National Security Council (NSC) - An agency in the Executive Office of the President that advises the president on national security.

Office of Management and Budget (OMB) - A division of the Executive Office of the president.

Pardon -  A release from the punishment for or legal consequences of a crime; a pardon can be granted by the president before or after a conviction.

Patronage -  The practice of rewarding faithful party workers and followers with government employment and contracts.

permanent campaign - A coordinated and planned strategy carried out by the White House to increase the president’s popularity and support.

pocket veto - A special veto exercised by the chief executive after a legislative body has adjourned. 

policy czar - A high-ranking member of the Executive Office of the President appointed to coordinate action in one specific policy area.

Reprieve - A formal postponement of the execution of a sentence imposed by a court of law.

signing statement - A written declaration that a president may make when signing a bill into law. 

State of the Union message -  An annual message to Congress in which the president proposes a legislative program. 

statutory powers -  A power created for the president through laws enacted by Congress.

Twelfth Amendment - An amendment to the Constitution, adopted in 1804, that specifies the separate election of the president and vice president by the electoral college.

Twenty-fifth Amendment - A 1967 amendment to the Constitution that establishes procedures for filling presidential and vice presidential vacancies and makes provisions for presidential disability.

veto message - The president’s formal explanation of a veto when legislation is returned to Congress.

War Powers Resolution - A law passed in 1973 spelling out the conditions under which the president can commit troops without congressional approval.

Washington community - Individuals regularly involved with politics in Washington, DC.

White House Office - The personal office of the president, which tends to presidential political needs and manages the media.