Food has multiple definitions depending on people's values and norms. The meals people choose, as well as the ways they prepare and serve them, form cultures, clans, families, and some people's identities. Foods can trigger nostalgia for bygone eras, and preserving memories can be as beneficial to our spirits as a steaming cup of hot chocolate on a chilly winter evening.
Interestingly, food is associated with cultural identity, continuity, security, validation, economics, and social control. "Why do people eat different types of meals depending on the culture and where they live?" Today, Each country's culture has been influenced by its food culture.
I found a interesting article about Food Culture and Globalization.