The U.S. President is the head of state and government of the United States, serving as the highest executive authority. Elected for a four-year term, the President can serve a maximum of two terms. The President is responsible for enforcing laws, directing the executive branch, and representing the nation in foreign affairs. The President also plays a key role in shaping domestic policy and has the power to veto legislation passed by Congress. The position is established by the U.S. Constitution, and the President is elected through the Electoral College, which reflects the votes of citizens across the states.