- Bow
- The forward end of the vessel.
- Stern
- The aft end of the vessel.
- Port
- Left side when facing forward.
- Starboard
- Right side when facing forward.
- Aft
- Toward the stern.
- Forward
- Toward the bow.
- Beam
- Width at the widest point.
- Draft
- Depth of the hull below the waterline.
- Freeboard
- Height from waterline to deck edge.
- Keel
- Main structural centerline, or bottom fin.
- Helm
- The steering station or mechanism.
- Head
- Toilet or bathroom compartment.
- Galley
- Kitchen area aboard.
- Cleat
- Deck fitting for securing a line.
- Line
- Rope with a specific purpose aboard.
- Fender
- Cushion between vessel and dock.
- Painter
- Line attached to the bow of a small boat.
- Bilge
- Lowest interior space where water collects.
- Through Hull
- Fitting penetrating the hull for water flow.
- Seacock
- Valve controlling water through a through hull.