Statues and shields depict lions, dolphins, towers, stars: a sign that something—who knows what?—has as its sign a lion or a dolphin or a tower or a star.
“Memory’s images, once they are fixed in words, are erased,” Polo said. “Perhaps I am afraid of losing Venice all at once, if I speak of it. Or perhaps, speaking of other cities, I have already lost it, little by little.”