| A | Aft | Toward the rear of the boat |
| B | Ballast | Weight, either fixed or movable, added to a boat to affect its trim. |
| Bridgedeck | Horizontal surface or deck of a boat where the helm is located. | |
| D | Deck | Horizontal surface in a boat. Uppermost deck of a boat forming the “roof” of a hull is sometimes referred to as a cap. |

