It is often said you are what you eat. And of course people are concerned about the food they consume.
Most food has its origin in plants. Many plants or plant parts are eaten as food. Animals are used as food either directly or indirectly by the products they produce, but some cultures and people do not consume meat or animal food because of different reasons. People who are vegans do not consume any foods contain ingredients from an animal source.
Dietary habits are the habitual decisions a person or culture makes when choosing what foods to eat. Many cultures hold some food preferences and some food taboos.