Authority control refers to a system that is vital for organizing and managing information. Synonymous with quality control, this term encompasses the process of ensuring accuracy, consistency, and reliability within databases, libraries, and archives. Sometimes referred to as "name authority control," it involves establishing standardized forms of names, titles, and subject headings. Furthermore, terms such as "controlled vocabulary" and "subject authority control" are often used interchangeably to denote the process of managing subject headings within a classification system. Overall, authority control enables efficient and coherent information retrieval while promoting uniformity and accuracy in cataloging and indexing processes.