| Subject | English | Japanese |
| comp., MS | function management header indicator | 機能管理ヘッダー標識 (A header containing end-user data that is inserted into a request. The most common use of a FMHI is to convey control information) |
| comp., MS | function management interface | 機能管理インターフェイス (An interface that provides applications with direct access to SNA data flow and information about SNA control flows by means of status messages. FMI is particularly suited to the requirements of 3270 emulation applications) |