V

Validate Build Stability

Within the RUP, Validate Build Stability is an activity within the Test discipline.

This activity involves validating that the current build is stable enough for detailed testing and evaluating.

value

The term value is a synonym of data value.

value pin

A value pin is an input pin that provides a particular value to a given action that does not come from an incoming object flow on an activity edge.

A value pin appears as an input pin with the value specification next to it.
 

value specification

A value specification is a specification of a (possibly empty) set of instances.

The UML defines four kinds of value specifications:

	expression
	instance value
	literal specification
	opaque expression

value type

A value type is a type that defines instances whose values never change.

variable

A variable is a typed element, within an activity group of structured activity nodes, for passing data between actions indirectly.
 

variable action

A variable action is an action that involves a variable.

There are three kinds of variable actions:

	clear variable action
	read variable action
	write variable action

variable expression

A variable expression is an ocl Expression that consists of a reference to a variable.
 

Verify Test Approach

Within the RUP, Verify Test Approach is an activity within the Test discipline.

This activity involves demonstrating that the various techniques outlined in the test strategy will facilitate the planned testing effort.

vertex

A vertex is a state or pseudostate that serves as a source or a target for a transition within a state machine.
 

view

A view is a projection of a model.

view element

A view element is a textual and/or graphical projection of one or more model elements.
 

view projection

A view projection is a projection of a set of model elements onto a set of view elements.

A view projection provides a location and a style for each model element in the projection.
 

visibility

The term visibility refers to the visibility of a given feature with regard to a particular classifier.

visibility kind

The term visibility kind refers to an enumeration that contains four values:

	package (shown with a tilde [~], which indicates that elements declared in the same namespace as the given model element can see and use it)
	private (shown with a minus sign [-], which indicates that the given model element is not visible outside of its enclosing namespace, even to children)
	protected (shown with a pound sign [#], which indicates that the given model element is visible outside of its enclosing namespace only to children)
	public (shown with a plus sign [+], which indicates that the given model element is visible outside of its enclosing namespace; this is the default)

 
vision
 Within the Unified Process, a vision is an artifact that describes a general vision of the project's requirements, key features, and main constraints from the customer's point of view.

Within the RUP, the vision is part of the Requirements artifact set.

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