Explanation:
Fats are one of the major nutrients required by our body for proper functioning. Butter and Ghee are both excellent sources of fats. Below are the reasons why butter and ghee are considered as a major source of fats:

1. High in Calories: Both butter and ghee are high in calories. One tablespoon of butter or ghee contains around 100 calories.

2. Saturated Fats: Both butter and ghee are high in saturated fats, which are essential for the body to function properly.

3. Rich in Vitamins: Butter and ghee are rich in fat-soluble vitamins like A, D, E, and K, which are essential for the body.

4. Contains Conjugated Linoleic Acid (CLA): Both butter and ghee contain CLA, which is a type of fat that has been linked to various health benefits, including weight loss.

5. Provides Energy: Fats are an excellent source of energy for the body. Butter and ghee are both easily digestible and provide instant energy to the body.

Conclusion:
Hence, it can be concluded that butter and ghee are major sources of fats. While they are high in calories, they are also important for the proper functioning of the body. It is important to consume them in moderation as excessive consumption can lead to weight gain and other health problems.