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Object Linking and Embedding (OLE): A technology for transferring and sharing information between applications by inserting a file or part of a file into a compound document. The inserted file can be either embedded or linked. See also embedded object and linked object.

object model: A collection of object-oriented APIs that represent data structures and are designed to promote software interoperability.

occurrence boost: A process that increases the rank of an item in query results, based on the number of occurrences of a query term in the item.

OCXDropDown control: A type of DropDown control that displays a list of the ActiveX controls that are available within that application.

ODBC: See Open Database Connectivity (ODBC).

offer: A message that is sent by an offerer.

Office data connection (ODC) file: A file that stores information about a connection to a data source, such as an Access database, worksheet, or text file. This file facilitates data source administration.

Office SharePoint Server Search service: A farm-wide service that either responds to query requests from front-end web servers or crawls items.

Office Web Extension: See app for Office.

offline: The condition of not being connected to or not being on a network or the Internet. Offline can also refer to a device, such as a printer, that is not connected to a computer, and files that are stored on a computer that is not connected to or not on a network or the Internet.

OLAP: See Online Analytical Processing (OLAP).

OLAP All level: An optional level at the top of a hierarchy. It typically contains an OLAP All member that represents an aggregation of all of the lower-level members of that hierarchy.

OLAP All member: A multidimensional expression (MDX) that evaluates a hierarchy and returns a set that contains all of the members of the specified hierarchy.

OLAP allocation: An operation in which the values for members at lower levels in an OLAP hierarchy are changed based on changes to values for members at higher levels in that hierarchy.

OLAP calculated member: An OLAP member whose value is calculated at run time.

OLAP cube: A data structure that aggregates Online Analytical Processing (OLAP) measures by OLAP levels and OLAP hierarchies. An OLAP cube combines several OLAP hierarchies, such as time, geography, and product lines, with OLAP measures, such as sales or inventory figures.

OLAP hierarchy: An attribute hierarchy or a user-defined hierarchy in a data structure. By default, each dimension attribute (1) has an attribute hierarchy. A user-defined hierarchy is a set of related attribute hierarchies that is used to facilitate browsing an OLAP cube.

OLAP KPI: See key performance indicator (KPI).

OLAP level: Within an OLAP hierarchy, a set of data that is organized into a lower or higher level of detail, such as Year, Quarter, Month, and Day levels in a Time hierarchy.

OLAP measure: A set of numeric values in an OLAP cube that is used in aggregation and analysis.

OLAP member: An item that is in an OLAP level. For example, a Canada member in a Country level of a Geography hierarchy.

OLAP member property: A relationship between two OLAP hierarchies, such as a Population member property of a Country member.

OLAP named set: A collection of OLAP tuples that have the same dimensionality. Also referred to as OLAP set.

OLAP subselect: The ability to execute multiple SELECT commands in a FROM clause that is inside a multidimensional expression (MDX) statement.

OLAP tuple: An ordered collection of members that are from different dimensions of an OLAP cube. A single member is a special case of a tuple.

OLAP weight expression: A multidimensional expression (MDX) that is used to apply and allocate modified values to an Online Analytical Processing (OLAP) provider. It typically returns a decimal value between "0" and "1".

OLE compound file: A form of structured storage, as described in [MS-CFB]. A compound file allows independent storages and streams to exist within a single file.

OLE DB: A set of interfaces that are based on the Component Object Model (COM) programming model and expose data from a variety of sources. These interfaces support the amount of Database Management System (DBMS) functionality that is appropriate for a data store and they enable a data store to share data.

OLE object: An object that supports the Object Linking and Embedding (OLE) protocol.

OLE server: An application or DLL that supplies a linked or embedded OLE object to another application.

OLE2: See Object Linking and Embedding (OLE).

onefiles folder: A folder that stores file data objects for a OneNote revision store file. It is located in the same directory as the revision store file and the folder name maps to the name of the revision store file. For example, if the revision store file is named “section.one” the onefiles folder is named “section_onefiles”.

one-variable data table: A data table that consists of only one input cell, which is either a row input cell or a column input cell.

one-way synonym: A search setting for a keyword that is used to return items that contain either the keyword or the specified synonym. Query text that contains the synonym does not return items that contain the keyword. See also two-way synonym.

Online Analytical Processing (OLAP): A technology that uses multidimensional structures to provide access to data for analysis. The source data for OLAP is stored in data warehouses in a relational database. See also cube.

Open Database Connectivity (ODBC): A standard software API method for accessing data that is stored in a variety of proprietary personal computer, minicomputer, and mainframe databases.

Open Item permission: An authorization that enables users to retrieve an entire file.

orbit: A number that uniquely identifies a parked call and enables a user agent to retrieve that call. The number is assigned automatically by a call park service (CPS) and is sent to the user agent who parked the call.

organization: A security group that contains additional fields (1) for describing hierarchical relationships between organizations.

organizational unit: An AD DS container object that is used within domains. An organizational unit is a logical container into which users, groups, computers, and other organizational units are placed. It can contain objects only from its parent domain. An organizational unit is the smallest scope to which a Group Policy object (GPO) can be linked, or over which administrative authority can be delegated.

organizer: The owner or creator of a conference or event.

orphaned term: A term whose source term was deleted.

outbound proxy: A network node that acts as a proxy for outbound traffic between a protocol client and a protocol server.

outline: A nested grouping of rows or columns (2) that are in a worksheet.

outline collapse: A process in which rows or columns (2) of an outline are made invisible.

outline effect: A formatting effect in which a line is placed around the edge of a shape or around each character in a text string.

outline expand: A process in which rows or columns (2) of an outline are made visible.

outline level: (1) The number of levels that a task is indented from the top level of an outline; the order associated with an outline.

(2) A type of paragraph formatting that can be used to assign a hierarchical level, Level 1 through Level 9, to paragraphs in a document. After outline levels are assigned, an outline of a document can be viewed by using Outline view, the document map, or the navigation pane.

outline state: A setting that specifies whether an outline is currently outline expanded or outline collapsed.

outline symbol: A user interface control that is used to display or hide subordinate levels in an outline.

out-of-memory: A state of a computer or application when it halts because all of the available volatile memory has been allocated and none is currently available for reallocation.

output summary class: A type of summary class that is used when presenting an item in query results. It includes all of the managed properties that are provided in query results, as specified in the index schema.

OutputFilter: A FilterDescriptor type that is used while calling an operation for a line-of-business (LOB) system. Additional results of an operation that cannot be captured by a ReturnTypeDescriptor can be retrieved as a value of an OutputFilter.

outside margin: A side or top margin of a document that is opposite the side where the document is bound.

owner: A security principal (2) who has the requisite permission to manage a security group.

owner URI: The primary URI in an equivalence class. Typically it is the first URI that is crawled for that class and that specifies a document with a unique checksum.

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