Author - Jonathan Levin

Explaining Indexes with a Library Metaphor

My favorite metaphor for explaining indexes is comparing them to index cards in an old library. In an old library, you used to (or still do) have index cards at the front desk which have some brief description of the books in the library. They also used to be categorized alphabetically.

(image taken from http://www.flickr.com/photos/reedinglessons/2239767394/)
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