The American flag is a symbol of the United States, representing its history and values. The flag consists of thirteen horizontal stripes, alternating between red and white, and a blue rectangle in the canton with fifty white stars. The number of stripes represents the original thirteen colonies, while the number of stars represents the fifty states of the Union. The colors of the flag have specific meanings: red symbolizes hardiness and valor, white represents purity and innocence, and blue signifies vigilance, perseverance, and justice. The flag is often displayed during national holidays and events, serving as a unifying emblem for the American people.