| 摘要 |
The destination setting operation of conventional electronic mail is not graphical. The present invention provides a graphical user interface with excellent operability as message exchange means. In a client server system, the server comprises a transmission/receiving part, an icon transfer part for transferring an icon received by the transmission/receiving part to another client, and a screen creation part for receiving an icon from the transmission/receiving part and creating a message board screen, the client comprises a transmission/receiving part, an icon creation part for sending a transmission icon to the transmission/receiving part, and a screen creation part for receiving an icon received by the transmission/receiving part and/or an icon created by the icon creation part and creating a message board screen, the above mentioned client, when a new icon is created, displays the icon on its message board screen and sends the icon to the server, and the above mentioned server receives the icon, displays the icon on its message board screen, and transfers the icon to another client. Here the difference message transmission method is used.
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