The “political design” of allegorical representation lay in its ambition to communicate visual narratives that reflected political principles and events; following a well-known code, metaphors were shaped from objects that could attract the imagination and the eyes of viewers and express the values and virtues held up as the slogans of a regime
Baecque, Antoine De. “The Allegorical Image of France , 1750-1800 : A Political Crisis of Representation.” Representations, no. 47, 1994, pp. 111–43.