10. The method according to claim 9 , further comprising: preparing a master table, wherein the master table includes at least a set of the identifiers within the message file and the master identifiers uniquely associated with the identifier within the message file.
10. The method according to claim 9 , further comprising: preparing a master table, wherein the master table includes at least a set of the identifiers within the message file and the master identifiers uniquely associated with the identifier within the message file. 11. The method according to claim 10 , further comprising: preparing the screen character string control table, wherein the screen character string control table comprises: the master identifier; the character string associated with the identifier within the message file that is associated with the master identifier; a translated character string, and the respective language identifiers associated with the screen character string and the translated character string; the category information associated with the character string; a first appearance positional information associated with the character string in the program product; and a second appearance positional information associated with the character string and the translated character string respectively.