1. When
1.1. Period
1.1.1. Contemporary
1.1.2. Modern
1.1.3. Early modern
1.1.4. Medieval
1.1.5. Ancient
1.2. Meals
1.2.1. Breakfast
1.2.2. Lunch
1.2.3. Supper
1.2.4. Brunch
1.3. Snacking
1.3.1. Sweets
1.3.2. Tea
2. What
2.1. Plants
2.1.1. Fruits
2.1.2. Seeds
2.1.2.1. Cereals
2.1.2.1.1. Corn
2.1.2.1.2. Wheat
2.1.2.1.3. Rice
2.1.2.1.4. Millet
2.1.2.2. Legumes
2.1.2.2.1. Beans
2.1.2.2.2. Lentils
2.1.2.2.3. Soybeans
2.1.2.2.4. Peanuts
2.1.2.2.5. Adzuki
2.1.2.2.6. Chickpeas
2.1.2.3. Oilseeds
2.1.3. Vegetables
2.1.3.1. Root vegetables
2.1.3.1.1. Potatoes
2.1.3.1.2. Carrots
2.1.3.2. Leaf vegetables
2.1.3.2.1. Spinach
2.1.3.2.2. Lettuce
2.1.3.3. Stem vegetables
2.1.3.3.1. Bamboo
2.1.3.3.2. Asparagus
2.1.3.4. Bulbs
2.1.3.4.1. Onion
2.1.3.5. Inflorescence vegetables
2.1.3.5.1. Broccoli
2.1.3.5.2. Cabbage
2.1.3.5.3. Cauliflower
2.2. Animals
2.2.1. Meat
2.2.1.1. Beef
2.2.1.2. Pork
2.2.1.3. Chicken
2.2.1.4. Mutton
2.2.1.5. Game
2.2.2. Dairy
2.2.3. Eggs
2.2.4. Fish
2.2.4.1. Sea
2.3. Cuisine
2.3.1. French
2.3.2. Creole
2.3.3. American
2.3.4. Japanese
2.3.5. Korean
2.3.6. Indian
2.3.7. Mexican
2.4. Drink
2.4.1. Alcoholic
2.4.1.1. Spirits
2.4.1.2. Beer
2.4.1.3. Wine
2.4.2. Non alcoholic
2.4.2.1. Soft drinks
2.4.2.2. Coffee
2.4.2.3. Tea
2.4.2.4. Water
3. Who
3.1. Ethnicity
3.1.1. East Asian
3.1.1.1. Japanese
3.1.1.2. Chinese
3.1.1.3. Korean
3.1.1.4. Taiwanese
3.1.2. African
3.1.3. Middle eastern
3.1.4. Latin American
3.1.5. North American
3.1.5.1. Canadian
3.1.5.2. American
3.1.6. European
3.1.6.1. British
3.1.6.2. German
3.1.6.3. French
3.1.6.4. Italian
3.1.6.5. Russian
3.2. Gender
3.2.1. Women
3.2.1.1. Single
3.2.1.2. Married
3.2.2. Men
3.2.2.1. Single
3.2.2.2. Married
3.3. Social group
3.3.1. Upper
3.3.1.1. Aristocrats
3.3.1.2. Nobility
3.3.1.3. Monarchs
3.3.2. Middle
3.3.2.1. Civil servants
3.3.2.2. White collar workers
3.3.2.3. Lawyers
3.3.2.4. Teachers
3.3.2.5. Shopkeepers
3.3.3. Lower
3.3.3.1. Blue collar workers
3.3.3.2. Farm laborer
3.4. Generation
3.4.1. Children
3.4.2. Adolescents
3.4.3. Adults
3.4.4. Retired
3.5. Producer
3.5.1. Manufacturers
3.5.2. Cooks
3.5.3. Farmers
3.6. Consumer
4. Where
4.1. Home
4.1.1. Kitchen
4.1.2. Dining
4.1.3. Living
4.2. Outside
4.2.1. Transport
4.2.1.1. Train
4.2.1.2. Ship
4.2.1.3. Plane
4.2.1.4. Car
4.2.2. Restaurant
4.2.2.1. Fast food
4.2.2.2. Haute cuisine
4.2.2.3. Bistro
4.2.3. Cafe
4.2.3.1. Starbucks
4.2.3.2. Hoshino
4.2.3.3. Independent
4.2.3.4. Dotor
4.2.4. Bar
4.2.4.1. Pub
4.2.4.2. Izakaya