| A | B |
| Monopoly | The total control of one group of the means of producing a good or service. |
| Balance of Trade | The difference in total value between the total imports and the total exports of a nation. |
| Bullion | Gold or silver in the form of bars or ingots of a specific weight. |
| Caravel | A swift, manueverablesailing ship used for exploration by the Spanish and the Portuguese in the 1500 and 1600's. |
| Capital | Wealth in the form of money or property used for the production of more wealth. |
| Colony | A settlement in a distant land who keeps close ties to its mother country. |
| Circumnavigation | The act of sailing around the world. |
| Primary Source | A source of historical study that was written by someone who participated in or observed the event being recorded. |
| Secondary Source | A source of historical study that was written after the event that it describes, usually with the help of a primary source. |
| Sternpost Rudder | A paddle-like device under a ship and connected to a handle on deck, for steering sailing ships. |