This document defines abstracting and indexing and discusses their purposes and types. It describes abstracting as an abbreviated yet accurate representation of a document's significant content along with a bibliographic description. Abstracts promote awareness, save time, facilitate selection and literature searches. They are written by authors, professionals, and information specialists and read by professionals, teachers and students. The document outlines different types of abstracts and their components. It also defines indexing as the systematic arrangement of document entries to enable users to locate information and discusses the types and creators of indexes.