J-N

join

A pseudostate that merges two or more transitions .

join node

A control node that synchronizes multiple control flows.

junction

A pseudostate that makes it possible to build a single overall transition from a series of transition fragments .

lifeline

An entity that represents the participation of a given object in a particular interaction .

link

An instance of an association (in other words, a structural connection between objects ).

link end creation data

An entity that specifies an association end that is subsequently used by a create link action .

link end data

An entity that specifies a link or link object that is subsequently used by a destroy link action .

link object

An instance of an association class.

local postcondition

A condition that must hold true when execution of an associated action ends.

local precondition

A condition that must hold true when execution of an associated action begins.

loop node

A structured activity node that represents a loop with setup, test, and body sections, within which the setup section is executed once on entry to the loop and the test and body sections are executed repeatedly until the test produces False .

main flow of events

See basic course of action.

manifestation

A dependency within which a target artifact represents the concrete physical realization of one or more source classes .

merge node

A control node that brings together multiple alternate control flows.

message

A communication between two objects , or within an object, that is designed to result in some activity.

message end

Something that can occur at the end of a message in the context of a given interaction .

method

An implementation of an operation .

multiplicity

An indication of how many of one thing can exist relative to another thing.

n-ary association

An association among three or more classes .

node

A computational resource that generally has memory and often has processing capability.

note

A device for recording comments about a model without affecting the content of the model.

noun/verb analysis

A technique for discovering classes that involves poring through high-level requirements documents, marketing materials, and other materials that provide insight into the problem domain.