Neo-plasticism | Tate https://www.tate.org.uk/art/art-terms/n/neo-plasticism
Tate glossary definition for neo-plasticism: Term adopted by the Dutch pioneer of abstract art, Piet Mondrian, for his own type of abstract painting which used only horizontal and vertical lines and primary colours
Mondrian published his long essay Neo-Plasticism in Pictorial Art in which among much else