Classification
Narrower Term (NT)
What Is a Narrower Term (NT)? A narrower term (NT) refers to a more specific concept that falls under a broader…
Classification
Broader Terms (BT)
What Is a Broader Term (BT)? A broader term (BT) is a general or inclusive concept that encompasses one or more…
Classification
Related Terms (RT) in Library and Information Science
What Is a Related Term (RT)? A related term (RT) is a word or phrase that represents a concept closely associated…
Classification
Non-Preferred Terms in Library and Information Science
What Is a Non-Preferred Term? A non-preferred term is a word or phrase that is not officially designated as the authorized…
Classification
Preferred Terms
What Is a Preferred Term? A preferred term is a standardized or authorized word or phrase selected from among two or…
Classification
“See” and “See Also” References
What Is a “See” Reference in Library Cataloging and Indexing? A “See” reference is a type of cross-reference used in library…
Classification
The Principle of Specificity
What Is the Principle of Specificity? The Principle of Specificity is an essential concept in subject cataloging, indexing, and information organization.…
Classification
How Are Subject Headings Selected for a Book?
Subject headings for a book are chosen through a process called subject analysis. During this process, a cataloger examines the intellectual…
Classification
Hospitality in Notation: Definition, Features, and Examples
Hospitality in Notation Hospitality in notation refers to a library classification system’s ability to accommodate new subjects, concepts, or subdivisions without…
Classification
Mixed Notation in Classification Systems: Concept and Examples
What Is Mixed Notation in Library Classification? Mixed notation is a system of notation in library classification that uses more than…