| English | Galician |
| graphical user interface | interface gráfica de usuario (A display format, like that of Windows, that represents a program's functions with graphic images such as buttons and icons. GUIs enable a user to perform operations and make choices by pointing and clicking with a mouse) |
| Multilingual User Interface | Interface de usuario multilingüe (A technology that allows for the installation and use of multiple user-interface languages) |
| Telephone User Interface | interface de usuario de teléfono (An interface that is used to navigate the menus of a Unified Messaging (UM) system using DTMF or touchtone inputs) |
| user interface | interface de usuario (The portion of a program with which a user interacts) |
| Voice User Interface | interface de usuario de voz (An interface that is used to navigate the menus of a Unified Messaging (UM) system using speech inputs) |