The British flag, also known as the Union Jack, is a national symbol of the United Kingdom. It consists of a combination of the flags of England (St. George's Cross), Scotland (St. Andrew's Cross), and Northern Ireland (St. Patrick's Cross). The design features a red cross on a white background (representing England), a white diagonal cross on a blue background (representing Scotland), and a red diagonal cross on a white background (representing Northern Ireland). The Union Jack is widely recognized as a representation of British identity and heritage.