An element of a type domain.
A lifeline that shows the lifeline's state across the diagram, within parallel lines indicating a steady state. A cross between the lines indicates a transition or change in state.
A source or a target for a transition in a state machine. A vertex can be either a state or a pseudo-state.
See also: state, pseudo-state
A projection of a model, which is seen from a given perspective or vantage point and omits entities that are not relevant to this perspective.
An element that is a textual and/or graphical projection of a collection of model elements.
A projection of model elements onto view elements. A view projection provides a location and a style for each view element.
An enumeration whose value (public, protected, package or private) denotes how the model element to which it refers can be seen outside its enclosing namespace.
A rapid application development programming language. Windows' only scripting language based on COM.