| guǐ | course/path/track/rail |
| 轨 | course path track |
| 轨头 | a railhead |
| 轨座 | a rail chair; a rail rest; a rail support |
| 轨枕 | sleeper tie |
| 轨线 | trajectory; path curve; path |
| 轨范 | standard criterion |
| 轨距 | gauge |
| 轨辙 | rut; beaten track |
| 轨迹 | locus orbit trajectory |
| 轨迹球 | trackball; track ball |
| 轨道 | orbit railway or tram line fig. conventional way of thinking |
| 轨道交角 | inclination of orbit |
| 轨道交通 | metro rapid transit subway |
| 轨道倾角 | orbit inclination angle; path inclination; inclination of orbit |
| 轨道变换 | orbital transfer |
| 轨道平面 | orbital plane |
| 轨道火箭 | orbital rocket; orbiting rocket |
| 轨道的 | orbital |
| 轨道空间站 | orbiting space station |
| 轨道舱 | orbital module orbital cabin |