Database

A collection of information in electronic format. Information may be alphabetic, or numeric, or pictorial, or some combination.

Index

Sometimes used interchangeably with the term database. Also, a listing of contents within a database. Its function is to provide a structured method for identifying the specific things you want from a large mass of material.  

Fields

Divisions of information that can be searched, such as a subject field, or a language field.  

Keywords

Search terms used by information seekers that may be found in any field of a database record.  

Citation

The information necessary to identify a specific book, article, or other published work.

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