Foods

Food is any substance, usually comprised primarily of carbohydrates, fats, water and/or proteins, that can be eaten or drunk by animals or humans for nutrition and/or pleasure.[1]
Most traditions have a recognizable cuisine: a specific set of cooking traditions, preferences, and practices, the study of which is known as foodgastronomy.[2]

The study of food is called food science. In English, the substance food is often used metaphorically or figuratively.