According to the MyPlate food guide, the primary food groups include:
- Fruits
- Vegetables
- Grains
- Protein (which includes meats and poultry, as well as legumes, nuts, and seeds)
- Dairy
Among the options you've provided, "Grains" is considered a primary food group. "Meats" fall under the larger category of "Protein," while "Fats and oils" and "Empty calories" are not designated as primary food groups.