"Concrete art is an art movement with a strong emphasis on abstraction. The artist Theo van Doesburg, closely associated with the De Stijl art movement, coined the term \"concrete art\" as he in 1930 founded the group Art Concret and articulated its features in a manifesto titled \"The Basis of Concrete Art\", signed by four other artists of the group, including Otto G. Carlsund, Jean H\u00E9lion and Leon Tutundjian."@en . . .