| Subject | English | Catalan |
| comp., MS | Multilingual User Interface | Interfície d'usuari multilingüe (A technology that allows for the installation and use of multiple user-interface languages) |
| comp., MS | Telephone User Interface | interfície d'usuari de telèfon (An interface that is used to navigate the menus of a Unified Messaging (UM) system using DTMF or touchtone inputs) |
| comp., MS | user interface | interfície d'usuari (The portion of a program with which a user interacts) |
| comp., MS | user interface virtualization | virtualització de la interfície de l'usuari (In Windows Presentation Foundation and Silverlight, a technique by which a subset of UI elements are generated from a larger number of data items based on which items are visible on the screen. Virtualization is a performance enhancement, because it is intensive, both in terms of memory and processor, to generate a large number of UI elements when only a few may be on the screen at a given time) |
| comp., MS | Voice User Interface | interfície d'usuari de veu (An interface that is used to navigate the menus of a Unified Messaging (UM) system using speech inputs) |