| English | eng-000 |
| preliminary design | |
| 普通话 | cmn-000 | 初步设计 |
| 普通话 | cmn-000 | 打样设计 |
| 普通话 | cmn-000 | 预备设计 |
| Deutsch | deu-000 | Vorentwurf |
| Deutsch | deu-000 | Vorplanung |
| English | eng-000 | conceptual design |
| English | eng-000 | initial design |
| English | eng-000 | predesign |
| English | eng-000 | preliminary sketch |
| English | eng-000 | rough plan |
| English | eng-000 | sketch design |
| hrvatski | hrv-000 | preliminarno konstruiranje |
| русский | rus-000 | проектное задание |
| русский | rus-000 | технический проект |
| русский | rus-000 | эскизный проект |