Identifier - Wikipedia In computer science, identifiers (IDs) are lexical tokens that name entities Identifiers are used extensively in virtually all information processing systems Identifying entities makes it possible to refer to them, which is essential for any kind of symbolic processing
Identifier Definition Meaning | YourDictionary Something that identifies or uniquely points to something or someone else A guidebook that helps determine the specific class of an object (such as a mushroom, herb, fish, bird, drug, or mineral), or its individual identity (such as that of a star)
identifier - Glossary | CSRC Something (data) that identifies an assessment object or other entity of interest (like a defect check) In database terms, it is a primary or candidate key that can be used to uniquely identify the assessment object so it is not confused with other objects