Glossary

Term	Definition
authenticated identity	A user or account that can be authenticated.
client application	A user of the Identity client runtime library. (In this document refers to Microsoft Lync 2010 and other compatible applications)
globally unique ID (GUID)	A term used interchangeably with universally unique identifier (UUID) in Microsoft protocol technical documents (TDs). Interchanging the usage of these terms does not imply or require a specific algorithm or mechanism to generate the value. Specifically, the use of this term does not imply or require that the algorithms specified in [RFC4122] or [C706] must be used for generating the GUID. See also universally unique identifier (UUID).
Identity Client Runtime Library (IDCRL)	A pluggable library used to authenticate with online login services.
service ticket	A string token that can be passed to an online login service for the purposes of authentication.
session key	A secret key used for signing authentication tokens. (Not used in this release).