If it were double-posted, it might be listed under both of these in the index, with full references to all information contained in the book under each listing. Of course, double-posting is commonly eschewed in favor of See references, because of frequent space limitations in an index. In our flower book, a good index might contain a listing of all of the flowers, and specific topics under each flower noting the context of the discussion. In Conclusion An index and a concordance share very little. They are different creatures entirely, each serving a particular need.
Concordances lack the analysis that goes into an index, and are consequently less useful.
These are important questions for publishers and indexers. You don't want to spend money on an index if a search engine will do the trick. Check next month's article for an examination of search engine technology and indexing. The University of Chicago Press. If you want to know when a new article appears, simply fill out this form .