This recipe is for the double dish slow cooker, which requires water to be placed in the cooking vessel while cooking in the insert pan (like a double boiler). When making in the cooking vessel, no water is needed.
Straw wine. Straw wine, or raisin wine, is a wine made from grapes that have been dried to concentrate their juice. The result is similar to that of the ice wine process, but suitable for warmer climates.
A raisin is a dried grape. Raisins are produced in many regions of the world and may be eaten raw or used in cooking, baking, and brewing.