Answer:
"plainer headdresses and fewer neck-rings"
"belts hung with small crocodile heads"
"the heads and shoulders of two tiny Europeans"
Explanation:
These are all details that would help a reader visualize the plaque being described. If an author wants a reader to be able to visualize something that he is describing, then he needs to provide lots of details that appeal to the reader's senses. This will enable the reader to better imagine such a picture in his mind. In this example, all of these options provide lots of visual details that create a picture in the reader's mind.
