Sauce is a flavorful liquid or semi-liquid used to enhance the taste, moisture, and texture of food. Made from a variety of ingredients like tomatoes, spices, herbs, vinegar, and cream, sauces add depth and complexity to dishes. Common types include ketchup, soy sauce, barbecue sauce, and hot sauce. Sauces can be used for cooking, as a topping, or as a dipping sauce, making them a versatile component in many cuisines around the world.