An insignia is a distinguishing MARK or SYMBOL that represents a group, organization, or individual. The term can refer to a variety of items, including an ENSIGN (6 letters), which is a FLAG or banner used to identify a ship or military unit; a FLAG (4 letters), which is a piece of fabric with a design or pattern used as a SYMBOL of a nation, state, or organization; a SYMBOL (6 letters), which is a visible sign of something abstract; a MARK (4 letters), which is a visible impression or trace left by something; a CREST (5 letters), which is an EMBLEM or device used to identify a family, organization, or individual; emblems (7 letters), which are symbols that represent an idea, quality, or another abstract concept; a BADGE (5 letters), which is a distinctive EMBLEM or device worn to indicate rank, office, or membership in an organization; an EMBLEM (6 letters), which is a figure or representation used to denote a concept or quality; and a SEAL (4 letters), which is a device or impression used to authenticate documents.