4. In a persistent object oriented multi-user domain in which objects are distributed between computer readable media associated with a server computer and plural client computers with corresponding users, the improvement comprising: multimedia properties associated with objects in the multi-user domain for presentation on the client computers; objects in the domain providing services in response to calls and including indications of hierarchical relationships between the objects such that each object references or is referenced by another object; software instructions for determining in response to a call to a selected service at a selected object whether the selected service is available from the object; and software instructions for passing the call to a referenced object that is referenced by the selected object according to at least one of the hierarchical relationships if the selected service is unavailable at the selected object.
4. In a persistent object oriented multi-user domain in which objects are distributed between computer readable media associated with a server computer and plural client computers with corresponding users, the improvement comprising: multimedia properties associated with objects in the multi-user domain for presentation on the client computers; objects in the domain providing services in response to calls and including indications of hierarchical relationships between the objects such that each object references or is referenced by another object; software instructions for determining in response to a call to a selected service at a selected object whether the selected service is available from the object; and software instructions for passing the call to a referenced object that is referenced by the selected object according to at least one of the hierarchical relationships if the selected service is unavailable at the selected object. 5. The domain of claim 4 in which the objects include a root object that is referenced by at least one other object, but does not reference another object.