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 and grand master of the "Sōgetsu-ryū" Hiroshi Teshigahara made the movie titled "Ikebana", which describes his school. "Flower and Sword", released in 2017, tells the story of the development of "ikebana" during the Sengoku period under the rule of the regent Toyotomi Hideyoshi in the 16thcentury. It was directed by Tetsuo Shinohara, and was based on a novel by Tadashi Onitsuka. It stars Kamejiro Ichikawa as Lord Hideyoshi, Mansai Nomura as the monk Senko Ikenobo, and Koichi Sato as Sen no Rikyu. Masters and their assistants of the "Ikenobo" school were involved in creating the various "rikka", "shoka", and "suna-no-mono"