| Subject | English | Korean |
| comp., MS | external source system | 외부 원본 시스템 (A data repository, such as a data warehouse, data mart, or OLTP system, that is outside a specific deployment) |
| comp., MS | source system | 원본 시스템 (The system in which application and metadata reside before they are migrated to a different one) |
| comp., MS | System Data Source Name | 시스템 데이터 원본 이름 (A data source name that can be used by any process on the computer) |