| Subject | English | Italian |
| comp., MS | application single-threaded apartment | apartment a thread singolo dell'applicazione (A single-threaded apartment the thread of which is the core UI thread for an application window) |
| gen. | single application for assistance | richiesta unica di contributo |
| gen. | single application for assistance | domanda unica di contributo |
| immigr., empl. | single application procedure | procedura unica di domanda |
| gen. | Working Party on the Application of the Single Act | Gruppo di lavoro "Applicazione dell'Atto unico" |