The term Betrothal Symbol is composed of two words: RING (4 letters) and ENGAGEMENT (10 letters). A RING is a traditional symbol of betrothal, and is often given as a sign of commitment in an ENGAGEMENT ceremony. An ENGAGEMENT is a formal agreement to marry, and is usually marked by the exchange of rings. Thus, the term Betrothal Symbol is a combination of these two words, and is used to refer to the rings exchanged during an ENGAGEMENT ceremony.