A Uniform Resource Name (URN) is a type of identifier used to uniquely identify a resource without specifying its location. URNs are part of the broader framework of Uniform Resource Identifiers (URIs), which also includes URLs (Uniform Resource Locators). URNs are designed to remain consistent over time, even if the resource they identify changes location or is moved. URNs are often used in various applications, such as in digital libraries and bibliographic databases, to provide a stable reference to items like books, articles, or datasets. For example, a ISBN can serve as a URN for a specific book, ensuring that it can be reliably cited and accessed regardless of where it is hosted.