He turned the page of his book. ‘“Each wheel is divided into eight thick and thin spokes, dividing the day into eight equal pans. The rims are carved with designs of birds and animals, whereas the medallions in the spokes are carved with women in luxurious poses, largely erotic in nature
I am wondering what the bold part could mean?
What is more, would you please throw some examples or vivid example to make it clear?
Many thanks.