Define the following word lists into their simplest meaning

Here are the simplified meanings for the words in your list:

1. **Nutrition**: The process of providing or obtaining the food necessary for health and growth.

2. **Macronutrients**: Nutrients required in large amounts that provide energy; mainly carbohydrates, proteins, and fats.

3. **Micronutrients**: Nutrients needed in smaller amounts, such as vitamins and minerals, that are essential for good health.

4. **Deficiency disease**: Health problems caused by a lack of essential nutrients in the diet.

5. **Essential nutrients**: Nutrients that the body cannot make on its own and must be obtained from food.

6. **Nonessential nutrients**: Nutrients that the body can produce itself and do not need to be obtained from food.

7. **Essential amino acids**: Amino acids that the body cannot synthesize and must be acquired through diet.

8. **Essential fatty acids**: Fatty acids that the body cannot produce on its own and must be obtained from food.