Wizard The Magic of Indexing 

The parts of each record or citation in an index or database are searchable. These parts are called fields.

When you search by a field, the computer will "look" only in that field when it looks through all the records in the database. It will try to match your search term.

For example, an keyword
Author Search looks only in the Author field-->
Title Search looks only in the Title field-->
Subject Search looks only in the Subject heading field -->
Date Search looks only in the Year field -->
Some databases allow Keyword Searching of the Abstract field and full text, if available. In general, a Keyword Search looks for items anywhere in the record. It is the broadest search.
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rev.5/07 bh