This document provides an overview of descriptive cataloging according to AACR2R standards. It discusses the key elements and areas of a bibliographic description, including the title and statement of responsibility area, edition area, special area for serials/maps/music, publication area, and physical description area. Examples are provided to illustrate how information would be recorded in each area according to AACR2R rules. The goal of descriptive cataloging is to uniquely identify and describe library materials so they can be found by patrons.