Message system, message creating method and message creating program

摘要

Attribute information representing at least one attribute of each member in a system is recorded on a card. The attribute information includes fixed information settled at the time of member registration and record-information which may be changed in accordance with performance of each member. A controller creates a message corresponding to the at least one attribute shown in the attribute information recorded on the card. A recorder writes the message created by the controller on the card.