The presidency is the executive branch of the United States government. The president is the head of state and the head of government, responsible for implementing and enforcing laws, directing national security and foreign policy, and leading the country. The president is elected by the American people through an electoral college system for a four-year term, with the possibility of serving up to two terms. The role of the president includes making executive orders, appointing officials, vetoing or signing bills into law, and acting as the commander-in-chief of the military. The president also represents the country on the international stage and is expected to provide leadership and guidance to the nation.