I'm not an artist, so perhaps perspective is the wrong term. Depth could be what I have in mind. In the first drawing, on the left, there are parts of the two cat's both above and below parts of the stag. The tail on the cat on the right is elegantly draped over the cats legs. The few deviations from realistic proportions are deliberate: the exaggerated antlers, for example, are done to fill space.

You could engrave that scene into the receiver of a hunting rifle today and it would be admired.