Most edible nuts are well known as dessert nuts. Some nuts are sources of oil or fat. Not all nuts are edible; some are used for ornament.

• 大多数可食用的坚果因用于甜点中而被大众熟知。某些坚果为油或脂肪的来源。并非所有种类的坚果皆可食用，有些为观赏用。