Maybe "conceptual art" https://www.tate.org.uk/art/art-terms/c/conceptual-art https://www.tate.org.uk/art/art-terms/c/conceptual-art - this link from the Tate i

Maybe "conceptual art" https://www.tate.org.uk/art/art-terms/c/conceptual-art https://www.tate.org.uk/art/art-terms/c/conceptual-art - this link from the Tate includes Klein and Duchmap.