Even mechanical media must find the invisible within the visible. Henri Cartier-Bresson’s decisive moment distills a scene’s inner tension into a single, inevitable frame. Dorothea Lange’s Migrant Mother (1936) surpasses documentary description; the lines of care and resolve become emblems of Depression-era endurance. In both, timing, framing, and context work like Aristotle’s plot: they order contingencies into a legible structure of meaning. Thus, photography proves that representation is not reducible to optics; it is an interpretive act aimed at significance. [...]