| AFT | Toward the back, called the STERN. The flat vertical on the boat is called the TRANSOM. |
| BOOM | A smaller horizontal pole. It fastens to the mast and the bottom of the main sail. |
| FORWARD | Toward the front, called the BOW, pronounced like 'take a bow'. |
| GENOA | A large jib. It extends further aft, usually overlapping the mast. |
| HALYARD | A line used to pull up (SET or HOIST) a sail. |
| JIB | A small sail that fits in the triangle made by the mast and forestay. |
| LINE | The nautical term for any rope. |
| MAINSAIL | The primary sail which attaches to the aft side of the mast, and to the boom. |
| MAST | The vertical pole. It supports all sails. |
| PORT | The left side as you face forward. |
| SHEET | A line attached to the boom or lower back corner of a sail and used to control the shape of the sail while sailing. |
| SHROUD | A wire that supports the mast sideways. |
| STARBOARD | The right side as you face forward. |
| STAY | A wire that supports the mast front or back. i.e. the FORESTAY and BACKSTAY. |