(1) In OSI, a logical unit of work into which peer application entities can separate the data that they exchange.
(2) In System Manager, a change management operation initiated by the central site, for example, sending an object, deleting a file, and installing a PTF. An activity is a single stop within a change request.
(3) An operation in an activity plan that is performed on a set of targets on a specific schedule and that can depend upon the execution of other activities.
(4) A unit of work or a building block that performs a specific, discrete programmatic task.
(5) In BTS, one part of a process managed by CICS business transaction services. Typically, an activity is part of a business transaction. A program that implements an activity differs from a traditional CICS application program only in its being designed to respond to BTS events.
(6) An item within a course outline that contains some tasks for the student to complete, such as taking a test or attending a live session in the LearningSpace -- Virtual Classroom.
(7) A set of steps that perform a portion of a scenario. See also action, activity diagram, scenario.
(8) An object that tracks the work required to complete a development task. An activity includes a text headline, which describes the task, and a change set, which identifies all versions that developers create or modify while working on the activity.
(9) A unit of work that an individual or group performs.