L2TP: Layer Two Tunneling Protocol, as defined in [RFC2661].
labeling policy: A policy that supports the addition of labels to a list item.
language code identifier (LCID): A 32-bit number that identifies the user interface human language dialect or variation that is supported by an application or a client computer.
LastIdFilter: A FilterDescriptor type that is used when querying a line-of-business (LOB) system in which data is to be returned in chunks. When requesting a new chunk, the filter can be populated with the EntityInstanceId of the last EntityInstance.
LDAP: (1) See Lightweight Directory Access Protocol (LDAP).
LDAP Data Interchange Format (LDIF): A standard that defines how to import and export directory data between directory servers that use the Lightweight Directory Access Protocol (LDAP), as described in [RFC2849].
LDAP Distinguished Name: A string representation of a distinguished name (DN) (4) used to access an object on a directory server via Lightweight Directory Access Protocol (LDAP).
leader line: A line that connects a data label to its corresponding data point. The primary purpose of a leader line is to increase legibility.
leaf name: The segment of a URL that follows the last slash. If the resource is a directory, the leaf name can be an empty string (1).
left-to-right: A reading order in which characters in words are read from left to right, and words are read from left to right in sentences.
legal hold: A restriction that prevents a document from being modified or transactions from being entered for a record.
legend entry: An item in a chart legend that identifies a single series or category (3).
legend key: A symbol that is associated with a legend entry.
level: (1) A relative position in a hierarchy of data. A level is frequently used when describing how to navigate a hierarchy in an Online Analytical Processing (OLAP) database or a PivotTable report.
(2) A storage device that contains one or more tape drives, a number of slots to hold tape cartridges, and an automated method for loading tapes.
library directory: A directory in which Microsoft Excel add-ins are installed.
license key: An array of bytes that enables access to a control according to the usage policies for that control.
Lightweight Directory Access Protocol (LDAP): The primary access protocol for Active Directory. Lightweight Directory Access Protocol (LDAP) is an industry-standard protocol, established by the Internet Engineering Task Force (IETF), which allows users to query and update information in a directory service (DS), as described in [MS-ADTS].
LimitFilter: A FilterDescriptor type that is used when querying a line-of-business (LOB) system. Its value can be interpreted as a limit on the number of EntityInstances that are returned when the Method to which it belongs is called.
line chart: A type of chart in which data points in a series are connected by a line.
line style: A style, including width and dash type, that is applied to and alters the appearance of a line or border.
linear gradient: A type of gradient fill in which the color of a cell or other object gradually changes horizontally, vertically, or diagonally from one edge of the object to the other.
line-of-business (LOB) system: A software system that is used to store business data and can also contain business rules and business logic (2) that support business processes.
link: (1) An attribute (2) value that refers to a directory object and whose Attribute-Schema object specifies an even value for the linkId attribute. Also referred to as forward link.
(2) When the value of an attribute refers to a directory object, and the attribute's Attribute-Schema object has an even value for attribute linkId, then that attribute value is a link. Sometimes referred to as a forward link.
(3) A link is similar to an association, as specified in [MC-CSDL], but describes a unidirectional relationship between entity types instead of a bidirectional one. A link can be either a unidirectional relationship that occurs when two entity types are related via an association and only one of the entity types defines a NavigationProperty that is bound to the association or a reference to one direction of a bidirectional association between two entity types, as specified in [MC-CSDL].
(4) An object that refers to another item.
link fixup: A process that helps to ensure consistent paths to linked components.
linked object: (1) An object that is inserted into a document and continues to exist in a separate source file. If the object in the source file changes, the object in the document is updated automatically to reflect those changes.
(2) Application data that is referenced by documents from other applications.
list: (1) A container within a SharePoint site that stores list items. A list has a customizable schema that is composed of one or more fields.
(2) An organization of a region of cells into a tabular structure in a workbook.
(3) A report item on a report layout that displays data in a list format.
list form: A page that enables users to create, view, or edit an item in a list.
List Form Web Part: A type of Web Part that is used to display, edit, or view an item in a SharePoint list.
list identifier: A GUID that is used to identify a list (1) in a site collection.
list item: An individual entry within a SharePoint list. Each list item has a schema that maps to fields in the list that contains the item, depending on the content type of the item.
list item attachment: A file that is contained within a list item and is stored in a folder in the list (1) with the segment “Attachments".
list item identifier: See item identifier.
list schema: The Collaborative Application Markup Language (CAML) schema of a list.
list server template: A value that identifies the template that is used for a SharePoint list.
list template: An XML-based definition of list settings, including fields and views, and optionally list items. List templates are stored in .stp files in the content database.
list template identifier: A GUID that is used to identify a list template for a SharePoint list.
list view: A named collection of settings for querying and displaying items in a SharePoint list. There are two types of views: Personal, which can be used only by the user who created the view; and Public, which can be used by all users who have permission to access to the site.
list view page: A Web Parts Page that displays a view of a SharePoint list.
List View Web Part: A type of Web Part that generates HTML-based views of items in a SharePoint list.
Lite: An implementation that supports a minimal subset of Interactive Connectivity Establishment (ICE) functionality, as described in [MS-ICE2], to work with a Full ICE implementation. A Lite implementation responds to but does not send connectivity checks.
little-endian: Multiple-byte values that are byte-ordered with the least significant byte stored in the memory location with the lowest address.
lobby: A collection of objects that contains data about one or more participants who are waiting for the organizer or a presenter in a conference to admit participants to the conference.
LobSystem: A type of MetadataObject that represents a specific version of a line-of business (LOB) system. An LOB system can be a database or a web service.
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.
local candidate: A candidate whose transport addresses are local transport addresses.
local LU: An LU 6.2 implementation ([MS-DTCLU] section 3.2) that uses the MSDTC Connection Manager: OleTx Transaction Protocol Logical Unit Mainframe Extension protocol [MS-DTCLU] to communicate with a transaction manager.
local name: (1) A defined name whose scope is limited to a specific sheet instead of the entire workbook.
local search scope: An administrator-defined restriction (1) that can optionally be added to a query to restrict the query results to items that are from a specific SharePoint site collection, site, or list.
local transport address: A transport address that is obtained by binding to a specific port from an IP address on the host computer. The IP address can be from physical interfaces or from logical interfaces such as Virtual Private Networks (VPNs).
locale: (1) A collection of rules and data that are specific to a language and a geographical area. A locale can include information about sorting rules, date and time formatting, numeric and monetary conventions, and character classification.
(2) An identifier, as specified in [MS-LCID], that specifies preferences related to language. These preferences indicate how dates and times are to be formatted, how items are to be sorted alphabetically, how strings are to be compared, and so on.
locale settings: (1) A collection of rules and data that are specific to a language and a geographic area. Locale settings include information about sorting rules, date and time formatting, numeric and monetary conventions, and character classification.
(2) A collection of system settings that specify the default code pages and associated bitmap font files for a computer. The default code pages and fonts enable a non-Unicode application written for one language version of a system to run correctly on another language version of a system.
localization: The process of adapting an application or documentation, including text and non-text elements, to meet the language, cultural, and political expectations and requirements of a specific geographic country or region.
localized name: The descriptive name of a MetadataObject for a specific locale.
location profile: A definition of an environment where local numbers can be resolved to identifiers that either route to unique enterprise users or form unique numbers in a public telephone network, as defined by the International Telecommunications Union (ITU) recommendation.
locked: The condition of a cell, worksheet, or other object that restricts edits or modifications to it by users.
locked protection: A cell-protection property that restricts the editing of cell content when a worksheet is protected.
logical left: A position that is relative to the language orientation of a document. Logical left means left, except in a right-to-left language where it means right. Also referred to as leading edge.
logical palette: A palette that defines colors as device-independent values. Unlike the system palette, which has predefined, device-specific color definitions, a logical palette contains color values that can be defined entirely by an application. A logical palette entry must be mapped to the system palette entry in order for the custom colors to appear when the application is run.
logical right: A position that is relative to the language orientation of a document. Logical right means right, except in a right-to-left language where it means left. Also referred to as trailing edge.
logical top-left: A position that is relative to the language orientation of a document. Logical top-left is the upper-left corner of a range or object when in left-to-right mode. It is the upper-right corner when in right-to-left mode.
logical top-right: A position that is relative to the language orientation of a document. Logical top-right is the upper-right corner of a range or object when in left-to-right mode. It is the upper-left corner when in right-to-left mode.
logical unit (LU): An addressable network element in the Systems Network Architecture that serves as an access point to the network for programs and users, allowing them to access resources and communicate with other programs and users. For more information on logical units, see [SNA].
login name: A string that is used to identify a user or entity to an operating system, directory service, or distributed system. For example, in Windows-integrated authentication, a login name uses the form "DOMAIN\username".
long file name: A folder or file name that is longer than the 8.3 file name standard, which permits as many as eight characters followed by a period and a file name extension of three characters.
long-term credentials: A set of user-authentication credentials that consist of a user name and password, and are used by a protocol client to authenticate with a protocol server.
lookup field: A field of the Lookup type that enables users to select an item from another data source.
lossy network transports: A transport that cannot deliver a data payload reliably from a source to a destination.
LU Type 6.2 (LU 6.2): A type of logical unit designed to provide support for two or more distributed application programs cooperating to carry out some work. All communication provided by LU 6.2 is program-to-program. For more information, see [LU62Peer].