12. The storage medium storing the program according to claim 9 , wherein editing the displayed sentence image includes: superposing text data corresponding to the detected coordinate points onto the image data of the sentence image; and converting the superposed text data into image data and combining the image data with the image data of the sentence data with timing of starting execution of transmitting the edited sentence image, and wherein the image data of the combined sentence image is transmitted to the other apparatus.
12. The storage medium storing the program according to claim 9 , wherein editing the displayed sentence image includes: superposing text data corresponding to the detected coordinate points onto the image data of the sentence image; and converting the superposed text data into image data and combining the image data with the image data of the sentence data with timing of starting execution of transmitting the edited sentence image, and wherein the image data of the combined sentence image is transmitted to the other apparatus. 15. The storage medium storing the program according to claim 12 , wherein the editing includes deleting the text data superposed on the image data of the sentence data, in accordance with the detected coordinate points.