Races are governed with many flags, used during the starting sequence and throughout to notify sailors of signals and penalties.
Turning the stern (the rear) of the boat through the wind to change direction.
The motion of a boat when it is lifted partially out of the water, increasing its speed from the reduction of drag.
A large, light downward sail set from a spinnaker pole when running before the wind.
A five-minute period before a race begins when boats try to manoeuvre into the best position on the start line.
Turning the bow (the front) of the boat through the wind to change direction.