Identification mark is a term used for a mark or feature on an object or living being which identifies it as belonging to a certain individual, group, or organization. Synonyms for this term include identification tag, label, tag, sticker, emblem, badge, signet, insignia, monogram, imprint, trademark, and signature. All of these words connote a specific marking or symbol that is used to identify a particular entity. The use of identification marks is common in many fields, including wildlife conservation, product labeling, and security, and their importance cannot be overstated in these contexts. By using synonyms to diversify our vocabulary, we can more accurately and effectively communicate about identification marks and their meanings.