Prepackaged food: refers to pre-quantitative packaging or made in packaging materials and containers of food. Including pre-quantitative packaging and pre-quantitative production in packaging materials and containers and in a certain amount of limit range with a uniform quality or volume of food labeling. In the industrial and commercial approval of the original stereotypes of packaged food is now amended to: prepackaged food. Can be provided directly to consumers or directly for food service food.

Shaped packaged food: refers to a certain amount, a certain trademark constitutes a retail unit of packaged food.

Canned food: Canning, a method of storing food. The food is first processed at high temperatures and then placed in cans made of tin and vacuumed. The food packed in this way is called canned food.

Canned food by definition belongs to one of the pre-packaged foods, and the range of definitively packaged foods is larger than pre-packaged foods, let's say a gift box with several different products in it, where individual small packages fall into the category of pre-packaged foods, but the whole box falls into the category of definitively packaged foods.