I don't really understand what u r asking but centeral idea is main idea if that's what u r asking...
I’m gonna have to say A. Details
The moon experiences many changes throughout the story.
At first, the moon is a shimmering ivory figure.
She then becomes blue, veiny, and wrinkled.
Later, she starts to fade, and become see-through, and her eyes turn indigo.
She ends the story as a sparkly silver pile of embers.
