| English thesaurus | |||
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| A collection of computer programs used in the design, processing and control of all applications (The programs and processing routines that control the computer hardware, including the operating system and utility programs) | |||
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system : 238 phrases in 14 subjects |
| Cables and cable production | 2 |
| Electric machinery | 14 |
| Electricity generation | 4 |
| Electronics | 15 |
| Environment | 58 |
| General | 2 |
| Immigration and citizenship | 5 |
| Isolation | 11 |
| Lighting other than cinema | 4 |
| Magnetics | 3 |
| Mathematics | 3 |
| Microsoft | 112 |
| Power lines | 2 |
| Power system protection | 3 |