tural example of multimedia content reproduction/data conversion section 101 used in the present invention, which is different from the sections 101 shown in FIGS. 3 and 4; [0100]FIG. 18 is a block diagram showing a specific structural example of a terminal function assist section 113 used in the present invention; [0101]FIG. 19 is a block diagram showing a specific structural example of a termina