Difference between food and supermarket in Korean
음식·슈퍼마켓

음식food
Food means things that people eat. In Korean, 음식 means meals, dishes, or food in general. You can use this word when talking about cooking, restaurants, shopping, or what you like to eat.

슈퍼마켓supermarket
슈퍼마켓 means “supermarket,” a large store that sells food, drinks, and household items. People use this word when talking about everyday shopping. You can hear it in sentences about buying groceries, going out with family, or stopping by a store after school or work.
The difference
음식 means food you eat, like a meal or dish. It is not a store.