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Glossary - K

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key

The basic information needed to uniquely identify a computer record, rate, or fare.

key fields

The fields of a record that uniquely define that record. No two records for the same Prop, Tariff, and Carrier, with identical key fields, can exist in the file.

key match

The basic information needed to uniquely identify a record for data maintenance purposes, such as record or table number.

knock-off value

A fixed-value deduction from the published tariff amount.