The term 'RING SEAL' is a combination of two words, 'RING' and 'SEAL'. A RING SEAL is a type of SEAL that is used to authenticate documents or other items. It is usually made of metal and has a design or symbol engraved on it. The most common type of RING SEAL is a SIGNET, which is a SEAL with a specific design or symbol that is used to identify the owner. Signets are typically used to authenticate documents or other items, such as coins or jewelry.