The information rewriting method includes, defining to divide a display
image of a monitor into a plurality of frames, the first group of frames
being defined such that occurrence of an event corresponding to a mark or
a marked indicator in a display region is recognizable, and the second
group of frames being defined such that when data corresponding to the
event that occurs in connection with the first group of frames are
transferred from the server, the received data are stored in the storage
as the data for the second group of frames, transferring the data from
the server as data for the second group of frames and storing the data in
an applicable storage of the processing terminal, and executing renewal
of an image or reproduction of sound with the data stored in the storage
as the data for the second group of frames.