The picture is showing Tessa being picked with the black dot. The black dot symbolizes death and when people open their slip of paper with the black dot, it means they're chosen to be stoned.
Tone & Theme
You get what you give ; Karma
This picture is showing Tessa in the process of being stoned. This shows imagery because in the text it states," he stuffed his pockets with stones" and it also stated how her son didn't want to hurt his mom so he picked the smallest stone.
This image shows a "sudden hush fallen onto the crowd". This Figurative speech is an example of a personification. When Tessa found out that she got the black dot, everyone got quiet quick. The hush is given a human characteristic upon the crowd.
The image shows the village throwing stones at Tessa. The tone would be "sad" because not many people are giving her sympathy, they just throw the stone like it's nothing and the theme would be, "You get what you give; Karma". They have been stoning people for 77 years and Tessa had to at least stone one person. "You get what you give"; she hit someone with a stone so she gets hit with a stone back.