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See also


The observable effects of an operation or event, including its results.



Behavioral Diagram

A diagram that depicts the behavioral features of a system or business process.

Behavioral diagrams include Activity diagrams, State Machine diagrams, Communication diagrams, Interaction Overview diagrams, Sequence diagrams, Timing diagrams and Use Case diagrams.



Behavioral Feature

A dynamic feature of a model element, such as an operation or method.



Behavioral Model aspect

A model aspect that emphasizes the behavior of the instances in a system, including their methods, collaborations, and state histories.



Binary Association

An Association between two Classes; a special case of an N-ary Association.


N-ary Association


The creation of a model element from a template by supplying arguments for the parameters of the template.




A marker in a Rich Text Format document that enables you to link inner sections of a document into a master document (using the Word 'Insert File' function).




An enumeration whose values are true and false.



Boolean Expression

An expression that evaluates to a boolean value.




1.A stereotyped Class that models some system boundary - typically a user interface screen; it is:
Used in the conceptual phase to capture user interaction with the system at a screen level (or some other boundary interface type)
Often used in Sequence and Robustness (Analysis) diagrams
The View in the Model-View-Controller pattern
2.A System Boundary element used to delineate a particular part of the system.