Real shapes and real patterns are things you would observe in nature, like the marks on the back of a cobra's hood or the markings on a fish or a lizard. Imaginary shapes are just that, symbols that come to a person in dreams or reveries and are charged with meaning.

Real shapes and real patterns are things you would observe in nature like the marks on the back of a cobra's hood or the markings on a fish or a lizard. Imaginary shapes are just that symbols that come to a person in dreams or reveries and are charged with meaning.