The invention provides a new and improved system, used in conjunction with a computer, for
coordinating activities by a plurality of actors within a common oper ation having multiple
constituents. In brief summary, the new computer system is an activity coordination system
which coordinates actions in connection with the various constituents of an activ ity by a
plurality of actors. The system includes a plural ity of objects each associated with a
constituent, with each object including state information defining a state and constituent …