| English | eng-000 |
| requirement specification | |
| Deutsch | deu-000 | Lastenheft |
| Deutsch | deu-000 | Pflichtenheft |
| English | eng-000 | functional specification |
| English | eng-000 | statement of work |
| English | eng-000 | system specification |
| Esperanto | epo-000 | postulspecifo |
| français | fra-000 | cahier des charges |
| svenska | swe-000 | kravspecifikation |