A worthy compendium that say much to the spiritual language of the Aztec. The Way of the Aztec is now been recovered to such an extent that it can be characterized in literature.
Much said in the past is irrelevant. They operated an antique empire as well as any. Public sacrifice of war captives is unusual only in that they brought them home for public consumption not unlike the Romans.
I wonder if the Romans influenced this display. I am certain communication was possible
10 Aztec Symbols Explained
In ancient Mexico the butterfly (in Aztec papalotl, suggestive of the Latin papilio) was one of the attributes of Xochipilli, the god of vegetation, but also symbolized flickering firelight and was associated with the Sun. The Aztecs believed that the last breath of a dying person took the form of a butterfly. As the lifecycle of the butterfly (egg, larva, pupa and imago (adult) can be clearly observed, the Aztecs, therefore, gave this insect symbolic meaning of transformation.