| Subject | English | Estonian |
| polit. | Applications and IT Systems Development Unit | Rakenduste ja IT-süsteemide arendusüksus |
| comp., MS | International System of Units | Rahvusvaheline mõõtühikute süsteem (The international metric system of units of measurement) |
| comp., MS | system currency unit | süsteemi valuuta (A currency unit that is used as the default currency unit if no currency unit is specified when entering monetary amounts) |
| comp., MS | system of units | ühikute süsteem (A set of units used for measurement or exchange) |
| IT | system unit | protsessor |
| polit. | Unit for Reengineering of the Financial Information Systems | Finantsteabesüsteemide ümberkorralduse üksus |