This document provides information about vodka, including its key ingredients, production process, classifications, common cocktails, and flavor profiles. Vodka is traditionally made from potatoes in Eastern Europe and grains like barley, rye, or wheat worldwide. It is distilled repeatedly and filtered to achieve a neutral taste before often being flavored. Vodka is not aged and is commonly used as a mixer in cocktails like Bloody Marys, Screwdrivers, and Cosmopolitans. Popular vodka brands include Absolut, Belvedere, Grey Goose, and Smirnoff.