Describe symbolism in Playing in the Dark: Whiteness and the Literary Imagination by Toni Morrison

In Cardinal's narrative, black or colored people and symbolic figurations of blackness are markers for the benevolent and the wicked; the spiritual (thrilling tales of Allah's winged horse) and the voluptuous; of 'sinful' but delicious sensuality coupled with demands for purity and restraint." Preface, pg. 9