Modernism vs Chagallian - What's the difference?

As a noun modernism

is (uncountable) modern or contemporary ideas, thought, practices, etc.

of or pertaining to (1887-1985), russian-jewish artist and pioneer of modernism, or his works.

(wikipedia modernism)

(uncountable) Modern or contemporary ideas, thought, practices, etc.

(countable) Anything that is characteristic of modernity.

any of several styles of art, architecture, literature, philosophy, etc., that flourished in the 20th century

a religious movement in the early 20th century that tried to reconcile Roman Catholic dogma with modern science and philosophy

* modernist * postmodernism English words suffixed with -ism ----

(en adjective)

Of or pertaining to (1887-1985), Russian-Jewish artist and pioneer of modernism, or his works.