则uim把prl更新消息到内部prl缓冲区中。

　　If the message is a PRL update message, UIM will copy the PRL message into the internal PRL buffer zone.

　　条目下一动作标志给出若用户选择uim发起的可能动作。

　　The next act identification for the entry gives the possible acts initiated when the user selects uim.

　　uim负责指配命令编号。

　　UIM is responsible for the provision and assignment of the command number.

　　若uim已发送此命令，并且用户随后选中一个选项或用户请求帮助，则终端用此过程通知uim。

　　If UIM has sent the command, and the user later selects an option or the user requests help, the terminal uses this process to notify uim.