Lord of the Flies: Can someone explain what is happening in these quotes?
“There was another noise to attend to now, a deep grumbling noise, as though the forest itself were angry with him, a somber noise across which the ululations were scribbled excruciatingly as on slate.” (Lord of the Flies, Chapter 12)

“To carry he must speak louder; and this would rouse those striped and inimical creatures from their feasting by the fire.” (Lord of the Flies, Chapter 12)

“Truculently they squared up to each other but kept just out of fighting distance.” (Lord of the Flies, Chapter 11)

“No one doubted that the tribe would be found at the Castle Rock and when they came in sight of it they stopped with one accord.” (Lord of the Flies, Chapter 11)

“An oblong of blackness relieved with brilliant spangles hung before them and there was the hollow sound of surf on the reef. Ralph settled himself for his nightly game of supposing. . .” (Lord of the Flies, Chapter 10)

“Sitting on the tremendous rock in the torrid sun, Roger received this news as an illumination.” (Lord of the Flies, Chapter 10)

“Now a great wind blew the rain sideways, cascading the water from the forest trees.”(Lord of the Flies, Chapter 9)

“Here there were wide spaces interspersed with thickets and huge trees and the trend of the ground led him up as the forest opened.”(Lord of the Flies, Chapter 9)