This document uses the following terms:
Address Book object: An entity in an address book that contains a set of attributes, each attribute with a set of associated values.
address list: A collection of distinct Address Book objects.
Augmented Backus-Naur Form (ABNF): A modified version of Backus-Naur Form (BNF), commonly used by Internet specifications. ABNF notation balances compactness and simplicity with reasonable representational power. ABNF differs from standard BNF in its definitions and uses of naming rules, repetition, alternatives, order-independence, and value ranges. For more information, see [RFC5234].
code page: An ordered set of characters of a specific script in which a numerical index (code-point value) is associated with each character. Code pages are a means of providing support for character sets and keyboard layouts used in different countries. Devices such as the display and keyboard can be configured to use a specific code page and to switch from one code page (such as the United States) to another (such as Portugal) at the user's request.
display template: A template that describes how to display or allow a user to modify information about an Address Book object.
OAL data sequence number: An integer that is associated with offline address list (OAL) data that represents the generation number of this data. The value of the initial sequence number is "1". Each subsequent data generation process that produces a data set that is not identical to the previous data set is incremented by one.
offline address book (OAB): A collection of address lists that are stored in a format that a client can save and use locally.
remote operation (ROP): An operation that is invoked against a server. Each ROP represents an action, such as delete, send, or query. A ROP is contained in a ROP buffer for transmission over the wire.
SHA-1 hash: A hashing algorithm as specified in [FIPS180-2] that was developed by the National Institute of Standards and Technology (NIST) and the National Security Agency (NSA).
Web Distribution Point (WDP): A location on a server where offline address book (OAB) files are published for web distribution. A client can discover the URI of a WDP by using the Autodiscover Publishing and Lookup Protocol, as described in [MS-OXDSCLI].
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.