| Subject | English | Korean |
| IT | concurrent access | 동시 접근 |
| math. | concurrent deviation | 병행편차 |
| comp., MS | maximum concurrent calls | 최대 동시 호출 수 (A configuration setting that represents the maximum number of concurrent calls to service instances that are executing) |
| comp., MS | maximum concurrent sessions | 최대 동시 세션 수 (A configuration setting that represents the maximum number of client sessions that can be active at the same time for service instances in memory) |