Ikebana a piece's color combinations, natural shapes, graceful lines, and the implied meaning of the arrangement. Another common but not exclusive aspect present in "ikebana" is its employment of minimalism. Some arrangements may consist of only a minimal number of blooms interspersed among stalks and leaves. The structure of some Japanese flower arrangements is based on a scalene triangle delineated by three main points, usually twigs, considered in some schools to symbolize heaven, human, and earth, or sun, moon, and earth. Use of these terms is limited to certain schools and is not customary in more traditional schools. A notable exception
Ikebana who conceived the idea of representing the three elements of heaven, human, and earth, from which have grown the principles of the arrangements used today. It was at Yoshimasa's Silver Pavilion in Kyoto, where the art of "cha-no-yu", the tea ceremony, and "ko-awase", the incense ceremony, may be said to have been evolved that the art of "ikebana" received its great development. Artists of the Kanō school such as Sesshū Tōyō (1420–1506), Sesson, Kanō Masanobu, Kanō Motonobu (1476–1559), and Shugetsu of the 16thcentury were lovers of nature, so that "ikebana" advanced in this period a step further than temple and