Competent Crew Quiz · Sails and ropes 
A sailing yacht seen from the side, bow to the right. Shown in red: the rope from the top of the big sail, over the masthead and down the mast.
The rope shown in red pulls the sail up the mast. What is it called?
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Halyard. A halyard hoists a sail. (Think "haul yard".) Sheets control the sails once they are up.