Oat is a type of cereal grain, usually eaten as porridge or muesli. Matzo is a type of unleavened bread traditionally eaten by Jews during Passover. BONE is a type of food that can be found in many types of meals, such as soups and stews. CORN is a type of grain that is used in many dishes, such as cornbread and tacos. Inflight is a type of meal served on airplanes, typically consisting of pre-packaged food. All of these terms are different kinds of meals.