.. _ChapterGlossary:

Glossary
============

*  **Cache:** A collection of enrolled templates that are serialized to disk. These enrolled templates can be used for operations such as Identify and Verify.
*  **Compare:** An operation where two sets of biometrics are provided and a score is returned that indicates how similar they are.
*  **Encounter:** A single set of biometric data.
*  **Identify:** An operation where a probe is provided and a cache is searched for the candidates that are most similar to the probe. Each candidate is given a score that indicates how similar it is to the probe.
*  **Probe:** An encounter that is used in any comparison operation. The operations are Compare, Identify, and Verify.
*  **Template:** A binary representation of an analyzed biometric that can be used for matching.
*  **Threshold:** A specific score that is used in applications as a determination as to whether two individuals should be considered matched. If the comparison score is greater than or equal to the threshold, then it is considered a match.
*  **Verify:** An operation where a probe is provided and compared with a single, specified entry in the cache. A score is returned that indicates how similar they are.