Softer edges to suggest curvature, for instance on bodies, had been also commonly used by artists who adopted the Venetian school with the Italian Renaissance. psychol a perception that's not correct to truth, having been altered subjectively in some way while in the head of your perceiver See also https://rylantchkn.shoutmyblog.com/34868070/detailed-notes-on-illusion-of-kundun-mu-online