1Scenarios play a role in other methodologies.
See for example [Jacobson, 1992], [Lorenz, 1993] and [Rumbaugh, 1991].
Jacobson and Lorenz use the term "use case" instead of "scenarios".
[Mark Lorenz, 1993]
3[Rumbaugh, 1991] discusses in great detail the problem of modeling
these types of relations between objects and classes. Also see [de Champeaux,