AACR2 stands for the Anglo-American Cataloguing Rules is designed for use in the construction of catalogues and other lists in general libraries of all sizes. The rules cover the description of, and the provision of access points for, all library materials commonly collected at the present time.

Authority control is a term used in library and information to refer to the practice of creating and maintaining headings for bibiliographic material in a catalog. Authority control fulfills two important functions. First, it enables catalogers to disambiguate items with similar or identical headings. For example, two authors who happen to have published under the same name can be distinguished from each other by adding middle initials, birth and/or death (or flourished, if these are unknown) dates, or a descriptive epithet to the heading of one (or both) authors. Second, authority control is used by catalogers to collocate materials that logically belong together, although they present themselves differently. Authority Control Files- is the process of providing an authorized form for every entity that has variant forms and liking them through a system of references to the related forms.

Access points- are a device that allows wireless communication devices to connect to a wireless local network.

American Standard Code for Information Interchange (ASCII),is a character encoding based on the English alphabet. ASCII codes represent text in computers, communications equipment, and other devices that work with text. Most modern character encodings—which support many more characters than did the original—have a historical basis in ASCII.

Automation- is an information and communications technology (ICT) that interacts with users to perform specific task.

Bibliographic Records- is a catalog record corresponding to a book or other item in the library’s collection.

Call Numbers (Dewey Decimal and Library Of Congress), Cutter Tables and Numbers- is a set of letters, numerals, or other symbols (in combination or alone) used by a library to identify a specific copy of work. A call number may consist of the class number; book number; and other data such as date, volume number, copy number, and location symbol. See also Book number; Class number

Catalog and OPAC- a catalog is a file if bibliographic records which describes a set of resources contained in library’s collection. The catalog may include other types of records as well, such as authority records and on-order records. OPAC (Open to the Public Access Catalog) us a catalog is online when its contents are open to the public as an automated module accessible through a computer system.

CIP (Cataloging –in- Publication)- are records that are created when a publisher either sends LC a draft of a book that hasn't been published yet or fills out a form with information about the book. The LC makes a cataloging record from that draft or form and sent it to the  publisher, which print copy off the LC record in the book when it is published.

Copy Cataloging- is a term used for the process of acquiring existing MARC records and using or adapting them for use as your own.

Descriptive Cataloging- is used to identify a particular information source that is an extraction of bibiliographic elements (author's names, title, publisher, date of publication, ect.) from each item from the library.

URL and FTP- the URL (Uniform Resource Locator) designates the location of an information resource that provides access to the resources outside the library’s physical boundaries. FTP (File Transfer Protocol) is the method used for transferring files among computers on the internet.

General Material Designation- the GMD is a subfield H of MARC field 245 that should appear in square brackets immedately following the title proper, because it purpose is to identify the broad class of material to which an item belong and to distinguish between different forms of the same work at an early stage in the distruiptive. It precedes any other title information such as a sub title. Use of the GMD text is opitional, most agency do not use it for books because library use users normally assume that the record describe a book.

ISBD, ISBN, ISSN- ISBD (International Standard Bibliographic Description) this international exchange of cataloging record is use to title and statement of responsibility, edition, material or type of publication)specific details, publication, distribution, physical description, series, notes and standard number and terms of availability. ISBN (International Standard Book Number) is the internationally identification system for monographs and the ISBN is also used for ordering and inventory systems on the basis for collecting data for directories and facilitates rights managements and the monitoring of book sales. ISSN (Insternational Standard Serial Number)- is an internationally agreed on standard number that identifies a serial piblication uniquely. in the U.S. ISSNs are assigned by the Library of Congress.

Library of Congress Classification and Library of Congress Control Number- is a classification system that was first developed in the late 1900 and early 20th century to organize and arrange the book collection on the Library of Congress. The Library Cataloging Policy and supports office maintain and develop the systems, posting weekly lists of updates on its website.

MARC and USMARC- MARC (Machine readable cataloging) is a catalog which has been tagged for input into a database according to internationally agreed upon standards. USMARC ( United States Machine readable cataloging)- communication records that are referred as the MARC.

OCLC- (Online Computer Library Center) is an online utility used by many libraries for cataloging.

Retrospective Conversion- is an electronic format that usually accompanying a shelflist that creates a corresponding electronic record to the bibliographic record for each item in the collection.

Sears List of Subject Headings-is abasic list that includes many of the headings most likely to be needed in small libraries together with patterns and examples that will guide the cataloger in creating additional headings as needed.

 

Precataloged Records- these are MARC records that have been sent on a CD or by the internet for downloading purposes sent to the library media specialist by the vendor. The MARC records by CD can be imported by the automation system.