| top-level specification abbr. | |
| gen. | topniveau-specifikation |
|
descriptive : 42 phrases in 13 subjects |
| Communications | 3 |
| Economics | 2 |
| Finances | 4 |
| General | 4 |
| Industry | 3 |
| Information technology | 7 |
| Law | 4 |
| Life sciences | 1 |
| Mathematics | 4 |
| Medical | 1 |
| Statistics | 2 |
| Technology | 1 |
| Work flow | 6 |