| Subject | English | Italian |
| IT | European Source Ter m Code System | European Source Term Code System |
| comp., MS | external source system | sistema di origine esterno (A data repository, such as a data warehouse, data mart, or OLTP system, that is outside a specific deployment) |
| transp. | point source system | sistema a sorgente puntiforme |
| comp., MS | source system | sistema di origine (The system in which application and metadata reside before they are migrated to a different one) |
| commun. | source-coding system | sistema di codifica di sorgente |
| comp., MS | System Data Source Name | DSN di sistema (A data source name that can be used by any process on the computer) |
| fin. | system of deduction at source | regime della ritenuta di acconto |