The document summarizes different types of alcoholic beverages used in cocktails. It discusses wines, beers, whiskies, brandies, gins, rums, tequilas and liqueurs. For each alcohol, it provides features and examples of classic cocktails that incorporate them, such as gin martinis, whiskey Manhattans, daiquiris made with rum and margaritas with tequila. It aims to educate readers on the base ingredients of popular cocktails.