Floral arrangement or design is the art of arranging flowers and other plant materials into an eye-catching and artistic display. They take on many forms and styles but always incorporate the elements and principles of design including balance, proportion, and contrast, among other things. Good floral arrangements are not only pleasing to look at, but can help others learn about various types of flowers and plants. Judges use several criteria to evaluate floral designs. There are several things the exhibitor can do to meet these criteria to the highest level and receive top placing at the fair.