Water Reservoir: Coffee makers have a water reservoir that holds the water needed for brewing. The reservoir’s capacity varies depending on the machine’s size and type. Brewing Mechanism: Coffee makers use different methods to brew coffee. Some common methods include drip brewing, espresso extraction, French press immersion, pour-over filtration, and single-serve capsules/pods. Brew Basket or Portafilter: Coffee grounds are placed in a brew basket or portafilter, depending on the type of coffee maker. The coffee grounds interact with hot water to extract the coffee flavors.