a systematic guide to the location of a word, concept or other items in books and consists of a series of entries which may appear orderly or not

### Why this is right An **index** is a guide that helps readers locate information in a book. Its entries name topics, words, or concepts and point to the pages where they appear, which matches the description. ### The concept An index is usually found at the back of a book, though its location can vary. Each **entry**, a named item in the index, typically gives one or more page numbers; subentries can break a broad topic into more specific parts. Entries are often arranged alphabetically, but the arrangement depends on the kind of index and the material being indexed. An index differs from a contents page, which lists the book’s sections in the order they appear. | Item | What it does | |---|---| | Index | Helps readers find topics or words and their page locations | | Appendix | Adds supplementary material to the main text | | Title | Names a book or one of its sections | | Page | One numbered side of a sheet in a book | ### The other options - **A. Appendix**: An appendix contains extra material related to a book, such as supporting information. It may be near the back, which makes it easy to confuse with an index, but it does not primarily guide readers to where topics appear. - **C. Title**: A title names a book, chapter, or section. It does not list topics with their page locations. - **D. Page**: A page is a single side of a sheet in a book. It is where information appears, not a guide for finding that information. ### Terms - **Index**: An ordered guide to topics or words in a book, usually with the page numbers where they can be found. - **Entry**: An individual item in a list or reference guide, such as a topic listed in an index. - **Appendix**: A section containing supplementary material placed apart from the main text. - **Title**: The name of a book, chapter, or section. - **Page**: One side of a sheet in a book or document. ### Remember A contents page guides you through sections in reading order; an index guides you to specific topics or words.