- Suprematism is an art movement, focused on basic geometric forms, such as circles, squares, lines, and rectangles, painted in a limited range of colors.
- Constructivism was an artistic and architectural philosophy that originated in Russia beginning in 1913 by Vladimir Tatlin. This was a rejection of the idea of autonomous art. He wanted 'to construct' art. The movement was in favour of art as a practice for social purposes.
- A Schematic, or schematic diagram, is a representation of the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the information the schematic is intended to convey, and may add unrealistic elements that aid comprehension