| A | B |
|---|
| cohort | subdivision of a legion |
| 10 | number of cohorts in a legion |
| century | subdivision of a cohort |
| 80 | number of men in a century |
| centurion | leader of a century |
| primus pilus | senior centurion in a legion |
| tribunus laticlavius | intern headed for a political career |
| tribunus angusticlavius | intern headed for a military career |
| tesserarius | soldier in charge of setting passwords |
| signifer | standard-bearer |
| primi ordines | head centurions in the 1st cohort |
| 160 | number of men in a century in the 1st cohort |
| vitis | cane used by a centurion |
| optio | 2nd in charge of a century |
| praefectus castrorum | commander of the camp |
| legatus | military leader of a legion |
| 1,500 | number of denarii paid to a centurion |
