Liquors / Distilled Beverage / Spirit is a beverage produced by distilling the product produced by alcoholic fermentation. It makes the product much more concentrated therefore in alcohol or ABV (Alcohol by volume).
Brandy - produced by distilling wine
Vodka - distilled fermented grains and potatoes
Gin - redistillation of spirits with juniper berries
Tequila - distilled fermented blue agave plant juice
Whisky - distilled fermented grain mash
Rum - distilled fermented sugarcane / sugarcane byproducts