Wing: The hand held wing.
Foil: The hydrofoil under the water.
Mast: The structure that connects the board to the fuselage.
Fuselage: The structure that connects the Mast to the hydrofoil.
Front Foil Wing: The part of the foil that creates lift. Surface area measured in cm².
Rear Foil Wing – Stabiliser: A small rear wing that balances the front wing.
True Wind: the wind Mother Nature provides.
Head Wind: the wind you create by moving.
Apparent Wind: the combination of true and headwinds. They are (usually) more powerful combined, and come at an angle balanced between the two main wind types.
Roll is left-wing versus right-wing raised or lowered. Roll determines if the wing is lifting above your head or pulling in front of your face more.
Pitch is nose versus tail up or down. Pitch controls the amount of power in your wing.
Yaw is like a bird on a turntable rotating a little clockwise or counterclockwise. Yaw controls the roll and is adjusted by, in a way, twisting the wing to accommodate apparent wind and directional changes.
Neutral is when the nose of the wing is pointed directly into the wind, floating without power in any direction.
Roll Controlled by Yaw is the twisting the nose down, and the twisting the nose up. Like the hands of a clock, between 12 and 3 or 12 and 9. You're essentially twisting the wing (door) sideways as if on a merry-go-round. Your arms limit the travel, so it arcs from overhead to nose-diving in the water. Your arms move in opposite directions for aggressive turning and individually for corrections.
Sliding Door: the wing (door) can be slid forwards or backward depending on the direction you wish to travel.
Slide Forward: extending the wing forwards places power towards the board's nose, and it turns in the direction the wind is going.
Slide Back: extending/wrapping the wing back places power on the tail, turning the board up into the wind.
Neutral: when your wing is directly pointed into the apparent wind. Since it is not angled left or right, it only provides a gentle lift straight up and gives the rider some leverage to help balance.
Forward Handles: holding the handles closer to the nose helps you point upwind by shifting the force to the back of the board.
Back Handles: holding handles closer to the tail gives you more power. Because it extends the wing towards the board's nose, the positioning sends you downwind as you place more pressure on the front of the board.
Shuffle Forward and Shuffle Back: for foot positions on the board and assists with steering up/downwind. This transfers the power in your wing and your weight to direct the board.
Inch Toeside and Inch Heelside: feet are centered on the middle of the board or slightly to the heelside of the centerline. This position assists with the balance and steering of the board.