It depends on the painting. Some ways are by...
1) adding a certain type of clothing from that culture
2) I don't know if this would count, but you could paint your painting in the style paintings are/were painted in the certain culture
3) add certain foods from a culture
4) add games/activities from the culture
5) add certain objects fe m the culture (ex: a phone if it's American culture)
The meaning increase twofold. do double duty
Mondrian believed that art reflected the underlying spirituality of nature. He simplified the subjects of his paintings down to the most basic elements, in order to reveal the essence of the mystical energy in the balance of forces that governed nature and the universe.