Difference between seasoning and meal in Korean
조미료·식사

조미료seasoning
Seasoning (조미료) is something you add to food to make it taste better. It can be salt, pepper, sugar, sauce, or other flavoring ingredients. People use this word when cooking at home, shopping, or talking about the taste of food.

식사meal
식사 means a meal, or the act of eating a meal. It is a polite, common word you can use for breakfast, lunch, or dinner. You will often hear it in daily conversation, for example when asking if someone has eaten.
The difference
식사 means a meal, like breakfast or dinner, or the act of eating. 조미료 is not a meal; it is something used while cooking.