1. A first device for communicating with a second device in a remote groupware operation, the first device comprising: sending means for sending data to the second device; program operating means for operating a program; inputting means for inputting input data to said program operated by said program operating means, and for inputting coordinate position data from a coordinate inputting device; interface means disposed between the program operating means and said inputting means for providing the program operated by the program operating means with said input data and for providing said sending means with the input data and the coordinate position data for transmission to the second device; coordinate position detecting means for detecting said coordinate position data from the coordinate inputting device, superposing means, disposed between the inputting and sending means, for superposing the coordinate position data on the input data to create superposed information, and for outputting the superposed information to the sending means for transmission to the second device.