She writes with the practical sense of someone asking not just the consumerist, semantic questions asked of any photo - what does it show, what had preceded that moment caught like a footprint on chemically coated celluloid, and what ensued? She also asks the producer's queries - who took it, how, where, when, why, for whom? And then there are the questions of distribution. Who has retouched, cropped and printed, bought and sold, smuggled, archived, exhibited and exploited those images?