In everyday usage, vegetables are certain parts of plants that are consumed by humans as food as part of a savory meal. Originally, the traditional term (still commonly used in biology) included the flowers, fruit, stems, leaves, roots, tubers, bark, seeds, and all other plant matter, although modern-day culinary usage of the term vegetable may exclude food derived from plants such as  fruits,  nuts, and cereal grains, but include seeds such as  the term vegetable is somewhat arbitrary, and can be largely defined through culinary and cultural tradition.vegetables-variety