Chapter 14. Indexing

An index is often a reader’s primary information retrieval device. When readers search for a particular topic and find it referenced in an index, they are assured that the topic is covered in the document and their search has ended. When readers do not find a topic in an index, they might decide that the topic is not covered in that document and they might look elsewhere.

This chapter discusses the following topics:

  • “What Is an Index?” on page 241

  • “Style and Format” on page 242

  • “Creating an Index” on page 245

  • “Refining and Checking an Index” on page 263

  • “Checking the Size of the Index” on page 269

  • “Global Index” on page 269

  • “Online Index” on page 271

What Is an Index?

According to The Chicago Manual of Style:

A good index records every ...

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