Coffee liqueur: A liqueur coffee is a caffeinated alcoholic drink that consists of a shot of liqueur, mixed with coffee. It is typically served in a liqueur glass, accompanied many times with cream and sugar. Coffee liqueur beverages are served in different fashions and can be found throughout many countries. One of the most popular liqueur coffee beverage is commonly known as Irish coffee. Liqueur coffee beverages are largely classified as cocktails as well as digestifs which are aimed at aiding the digestive process typically after a meal.
Vodka: Vodka is a clear distilled alcoholic beverage. Different varieties originated in Poland, Russia, and Sweden. Vodka is composed mainly of water and ethanol but sometimes with traces of impurities and flavorings. Traditionally, it is made by distilling liquid from fermented cereal grains. Potatoes have been used in more recent times, and some modern brands use fruits, honey, or maple sap as the base. Since the 1890s, standard vodkas have been 40% alcohol by volume (ABV) (80 U.S. proof). The European Union has established a minimum alcohol content of 37.5% for vodka. Vodka in the United States must have a minimum alcohol content of 40%.