The Royal Arms of Great Britain is the official coat of arms used by the monarch of the United Kingdom. It features a shield divided into four quadrants, representing the nations of England, Scotland, and Ireland. The arms include symbols such as the lion for England, the unicorn for Scotland, and the harp for Ireland, all surrounded by a decorative wreath. The design is often accompanied by a crown and supporters, which are figures that stand beside the shield. The Royal Arms is used in various official documents, buildings, and insignia, symbolizing the authority and unity of the British monarchy.