An Herb is ANY plant with leaves and seeds, used to flavor food, medicine or perfumes oils. Herbs for centuries have helped garnish and flavor many of the dishes we know and love today. Whether its the common Basil leaf on a margarita pizza, or fresh parsley in Falafel.
Herbs are most used cooking ingredient known since ancient times. they can be used in any of its forms an have the purest taste known to man. As there are millions of different kinds, the most basic and overused ones are that way for a reason.