Is De Stijl abstract?

De Stijl was the first-ever journal devoted to abstraction in art, although the movement’s artists were not the first to practice abstract art; other painters, perhaps most notably Wassily Kandinsky, Kazimir Malevich and Hans Arp, had earlier created nonobjective art, often incorporating geometric forms in their work.

Who came up with abstract art? Is abstract art dead? When did Kandinsky move to Germany? Is Pain concrete or abstract noun? Quando é que Kandinsky se mudou para a Alemanha? ¿Cuándo se trasladó Kandinsky a Alemania? Is feel an abstract noun? How do you develop abstract thinking? What do you understand by the terms outsider art? What is difference between art deco and art nouveau?