Identifiers refer to words, symbols, or names that help identify or distinguish a particular item. Synonyms of this word include label, marker, tag, sign, badge, emblem, insignia, character, signifier, and identifier code. These synonyms are used in various fields such as information technology, science, engineering, and marketing. Identifiers are essential in identifying and differentiating items, whether it be a product, a file, or a person. Thus, it is important to use these synonyms effectively to ensure clarity and accuracy in communication, documentation, and organization.