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1.1 Glossary

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This document uses the following terms:

base64 encoding: A binary-to-text encoding scheme whereby an arbitrary sequence of bytes is converted to a sequence of printable ASCII characters, as described in [RFC4648].

cyclic redundancy check (CRC): An algorithm used to produce a checksum (a small, fixed number of bits) against a block of data, such as a packet of network traffic or a block of a computer file. The CRC is a broad class of functions used to detect errors after transmission or storage. A CRC is designed to catch random errors, as opposed to intentional errors. If errors might be introduced by a motivated and intelligent adversary, a cryptographic hash function has to be used instead.

entity: An instance of an EntityType element that has a unique identity and an independent existence. An entity is an operational unit of consistency.

EntityInstance: A set of Field values that have a unique identity that represents a specific instance of an Entity, and are stored in a line-of-business (LOB) system.

EntityInstanceId: A set of Field values of an EntityInstance that collectively and uniquely identify an EntityInstance in a line-of-business (LOB) system.

external content type: A type of DataClass object that is stored in a line-of-business (LOB) system and whose instances have a persistent EntityInstanceId. Also referred to as Entity.

field: An element or attribute in a data source that can contain data.

follow-up: A note that a user leaves for further review later. Follow-ups can be used by an app to display in a special visual format, to provide navigation, or to provide special behaviors such as reminders.

LobSystemInstance: A type of MetadataObject that represents a specific deployed instance of a line-of-business (LOB) system, as represented by a LobSystem. LobSystemInstances are contained by LobSystems. LobSystemInstance Properties describe how to connect to an instance of the LobSystem that contains them by providing information such as the server name, connection string, and authentication mode.

Unicode: A character encoding standard developed by the Unicode Consortium that represents almost all of the written languages of the world. The Unicode standard [UNICODE5.0.0/2007] provides three forms (UTF-8, UTF-16, and UTF-32) and seven schemes (UTF-8, UTF-16, UTF-16 BE, UTF-16 LE, UTF-32, UTF-32 LE, and UTF-32 BE).

MAY, SHOULD, MUST, SHOULD NOT, MUST NOT: These terms (in all caps) are used as defined in [RFC2119]. All statements of optional behavior use either MAY, SHOULD, or SHOULD NOT.