| A | B |
| Aqua Appia | first aqueduct supplying Rome,builtin 312 BC by Appius Claudius |
| Appius Claudius | censor in 312 BC -- constructed Aqua Appia and Via Appia |
| Via Appia | road built in 312 BC -- connected Rome and Brundisium (where one still catches a boat to Greece) |
| groma | surveying tool -- helps establish straight lines |
| mille | 1000 -- milestones every 1000 paces were set every 5000 feet (roughly a mile) |
| Cloaca Maxima | sewer in Rome; emptied into Tiber River |
| Tiber River | river in Rome |
| Ostia | harbor town, where Tiber River empties into Mediterranean |