Grain varieties refer to the different types of grains cultivated for food, feed, and other uses. Common examples include wheat, rice, corn, barley, and oats. Each variety has unique characteristics, such as flavor, texture, and nutritional content, making them suitable for various culinary applications. Farmers select specific grain varieties based on factors like climate, soil type, and market demand. Some grains are bred for higher yields or disease resistance, while others may be chosen for their specific taste or cooking properties. Understanding these varieties helps in making informed choices for agriculture and nutrition.