The term President typically refers to the elected head of a republic, responsible for overseeing the executive branch of government. In many countries, the President serves as both the head of state and the head of government, making crucial decisions that affect national policy and governance. In the United States, the President is elected every four years and plays a significant role in shaping domestic and foreign policy. The President also has the power to veto legislation, appoint federal judges, and serve as the commander-in-chief of the armed forces, making this position one of the most influential in the world.