This design is an example of form, but more specifically, naturalistic form. Naturalistic is when the design is derived from anything in nature, or a human figure. This particular form is a human figure, which makes it a naturalistic form.
Enryaku-ji Temple on Mount Hiei, Kyoto. Hiei, the sacred mountain known as the mother of Japanese Buddhism, has emitted the light of Dharma for the world for over 1200 years. In Enryaku-ji temple was registered by UNESCO as a World Cultural Asset.