Preparing for sailing involves the process of rigging a boat, which is the process of attaching the sails and other components to the mast and boom. This process requires the use of ropes, pulleys, and other hardware to secure the sails in place. Rigging also includes adjusting the tension of the lines to ensure that the sails are properly set for the conditions. Additionally, it involves checking the condition of the sails and other components to make sure they are in good working order before setting sail.