True or false: the moral of a story can be it’s theme?

Which techniques best describe the tone the author is using in this passage?

What kinds of images does the word "twinkling" suggest? dirt, earth, poverty, race leaves, trees, green, spring stars, dreams, looking upward, heaven darkness, sadness, loneliness, isolation they eat beans mostly, this old yellow pair. dinner is a casual affair. plain chipware on a plain and creaking wood, tin flatware. two who are mostly good. two who have lived their day, but keep on putting on their clothes and putting things away. and remembering, with twinklings and twinges, as they lean over the beans in their rented back room that is full of beads and receipts and dolls and cloths. tobacco crumbs, vases and fringes.

In at least 150 words, identify and describe the setting, and the way the author uses imagery to describe it for part 1 of nectar in a sieve.