The use of multiple inheritance to model what should have been modeled as a collection of transitive single-inheritance relationships.
The modeling of a class's properties through the containment of property classes.
A multiple inheritance hierarchy whose representative graph contains a closure.
Messages on a containing class whose sole purpose is to transfer the message down to a single contained object.
Classes whose behaviors are inherited from a number of property classes.
The object-oriented relationship that allows a derived class to inherit from more than one base class.
A use of multiple inheritance that allows a single derived class to combine the abstractions from two or more different domains into a single domain.