A tool for targeting a message response. Referent tridbits corresponding to stimuli in the information input string are generated. The line switching unit of the present invention has a first terminal for receiving a CPE line from a CPE device. Further, the elements may be outlined. The indentation extends from the sidewall into the container interior to form an interior ledge for supporting the like container in the container interior. In accordance with one embodiment, a method is provided for swapping from a secondary frame buffer of one of the plurality of computers.