1. A data processing system for executing a process, comprising: means for forming classes and composite classes by combining methods; means for forming instances which correspond to the classes and composite classes; means for analyzing the real world as an object model which includes a static world, a dynamic world and a cause and effect relationship, the object model having a corresponding extension and a corresponding connotation, the connotation being in an information concealed region, and identification information identifies the extension and connotation; means for creating a system mechanism with respect to the static world using the classes and composite classes, the system mechanism being a static model for the static world; means for using the instances to form a session corresponding to motion with respect to the dynamic world, the session being a dynamic model for the dynamic world, the cause and effect relationship of the object model being generated from the dynamic model into the static model; means for forming a functional model in the connotation, the functional model including composite objects formed from the methods, the classes, the composite classes and the session; means for storing, in the connotation, a minimum number of methods, classes, and composite classes required to form the composite objects of the functional model; means for using the identification information to assign object identifications to composite objects of the functional model, to identify composite objects of the functional model; and means for executing a process by using the object identifications to identify composite objects of the function model for use in the process.