A coffee maker is a kitchen appliance designed to brew coffee by heating water and passing it through ground coffee. There are various types of coffee makers, including drip coffee makers, single-serve machines, and espresso machines. Each type offers different brewing methods and flavors, catering to diverse preferences. Most coffee makers consist of a water reservoir, a filter basket, and a carafe to collect the brewed coffee. Some models come with programmable features, allowing users to set brewing times in advance. Popular brands include Keurig, Nespresso, and Cuisinart, each offering unique features and designs.