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
Bonsai styles for some styles: a bonsai artist working with a deciduous tree will not produce bonsai in the cascade style, for example. The designer can evaluate the pre-bonsai specimen against the catalog of accepted styles to determine what branches to remove or reshape, what foliage to remove or encourage, and what detailed shaping to apply to trunk and branches. Although the styles will guide a bonsai designer, they are not completely deterministic. A review of actual bonsai from competition catalogs will reveal that even highly regarded specimens rarely meet every rule laid out for their style. The species of the bonsai,