An oven is a kitchen appliance used for cooking food by applying heat. It can be powered by electricity or gas and comes in various types, including conventional, convection, and microwave ovens. Ovens are commonly used for baking, roasting, and broiling, making them essential for preparing a wide range of dishes. Most ovens have a temperature control feature, allowing users to set the desired cooking temperature. They often include racks and trays to hold food items. Some modern ovens also have additional features like self-cleaning options and timers, enhancing their convenience and efficiency in the kitchen.