To indicate wealth and status
To serve a ritual function.
The animals are more realistically drawn than the humans.
Perspective
The question is "What is art?"
And the answer is likely to be subjective, because some forms of symbolic or representational art may not have any apparent meaning to some of its audience. The creation of abstract art, "junkyard sculpture" and more recently the ephemeral "performance art" all stretch the definition beyond its classical roots.
Even daily scenes could please the gods since they governed everything.
Euphronios and Phidias were artists who lived in Ancient Greece.
It represents an ancient star chart.
Cimabue broke the conventions of Byzantine art by giving his figuers a more natural appearance.
the human figure and motion.
He explored emotional rather than physical reality.
Byzantine
the men have clear individual characteristics
The Altamira cave paintings
linear perspective