To provide a system for retaining and inheriting an original factor on which the thought and behavior of each behavioral person is based, and to provide the method and device of generating the same and a dynamic medium to be used for the same.

The system is provided with: a behavioral definition means which is provided with at least a behavioral factor analyzing means for analyzing factors constituting the objective behavioral of the behavioral person and a behavioral structure analyzing means for analyzing the structure of the behavioral, that is, how the behavioral is constituted of the behavioral factors; a behavioral generation means for generating the behavioral by utilizing the behavioral factors or the behavioral structure if they are given: a behavioral detection means for detecting the behavioral of the behavioral person to obtain at least one of the behavioral factors or the behavioral structure; an original factor extraction means for extracting the original factor characteristic to the behavioral person from information obtained with the behavioral detection means at least; a dynamic medium provided with the behavioral generation means and the original factor extraction means at least; and an information imparting and receiving means for imparting and receiving information between the behavioral person and the dynamic medium at least.