| English | eng-000 |
| thematics | |
| English | eng-000 | issue |
| English | eng-000 | matter |
| English | eng-000 | subject |
| English | eng-000 | subject area |
| English | eng-000 | subject matter |
| English | eng-000 | theme |
| English | eng-000 | topic |
| français | fra-000 | thématique |
| italiano | ita-000 | tematica |
| polski | pol-000 | tematyka |