栗 (nut) refers to the edible seeds of certain trees and shrubs, commonly known for their hard shells and rich flavor. They are a popular food source in many cultures and can be consumed raw, roasted, or ground into flour. Common types of nuts include walnuts, almonds, and hazelnuts, each offering unique nutritional benefits. Nuts are high in healthy fats, protein, and essential vitamins and minerals, making them a nutritious addition to a balanced diet. They are often used in cooking, baking, and as snacks. Additionally, nuts are known for their potential health benefits, including heart health and weight management.