How does Alice Walker use imagery in Really, Doesn't Crime Pay?

Imagery:

"His ability to be drunk and sober at the same time made him an ideal playmate, for he was as weak as we were and we could usually best him in wrestling, all the while keeping a fairly coherent conversation going."

"Her deep sharp eyes set in the rough leather of her face had aged a moist hesitant blue that gave her a quick dull stare like a hawk's."

"His little eyes were partly open, as if he were peeping out of his hard wasted skull at the chilly room, and the forceful pulse of his breathing caused a faint rustling in the sheets near his mouth like the wind pushing damp papers in a shallow ditch."