How did Henri Matisse use conventions of Fauvism in The Red Room?

Matisse used overall decorative-patterning and created a flattened sense of space. How did Cubist artists such as Pablo Picasso incorporate a characteristic of Paul Cézanne's paintings into their work? They reduced objects to their simplest forms.

What does that mean

Hello kiddiothe answer is bbecause if they had no musicians there will be no musichave a nice day~ari and kay