design; designed; designer; background; content; object; representation; perception; perceptual; experience; visual; image; view; concept; conceptual; idea; desktop; screen; presentation; present; show; showing; powerpoint; slide; media; graphic; graphics; pictorial; display; designs; backgrounds; contents; objects; representations; perceptions; experiences; images; views; concepts; ideas; screens; presentations; presents; shows; slides; medias; displays