| English thesaurus | |||
| |||
| PCB (TCP) | |||
|
Protocol Control : 50 phrases in 12 subjects |
| Communications | 13 |
| Computers | 4 |
| Energy industry | 1 |
| Environment | 6 |
| General | 4 |
| Human rights activism | 2 |
| Immigration and citizenship | 3 |
| Information technology | 3 |
| Law | 1 |
| Microsoft | 10 |
| Telecommunications | 1 |
| United Nations | 2 |