The Royal Coat of Arms is a heraldic symbol used to represent the monarchy and the nation. It features a shield divided into sections, displaying various symbols that signify the history and territories of the reigning monarch. The arms typically include elements like the lion, unicorn, and the cross of St. George, each representing different parts of the United Kingdom. The design of the Royal Coat of Arms varies depending on the monarch and the context in which it is used. It is often seen on official documents, buildings, and coins, serving as a symbol of authority and national identity.