Black is an achromatic color, lack of luminous flux from the object. In RGB system it is designated as #000000. Black color tints are named gray color. Suprematism is an expression of one`s intuitive sense of reality in elementary geometric shapes. School uniform reduce to discipline, promotes the de
velopment of pupils` filling of community, collectivism, common work and presence of common purpose. Article is multivalued term, entering the fundamental notions of many branches of science and everyday life. The article comprehension as a part of the physical world and as a part of world cognition by human is in the center of any worldview system from the philosophy origin till our times.