Invisible Signs
Lawrence G Giles · Electronic workshops in computing · 2010
Sign n: something that indicates or expresses the existence of something else not immediately apparent. There exists an almost ubiquitous prevalence of signs, signage and information graphics throughout our society, whether this be information signage, such as a notice that instructs, advises, informs and warns or commercial signage which is designed to cause recognition, familiarity and affiliation with the viewer.