To illustrate the author’s calm, contemplative mood
This is the best description for the excerpt. The author illustrates his mood with words that identify his mood at the moment when he wrote it. He has written about his thoughts as well and his view of nature.
Dangerous fearful and dark
Exposition is the part of the plot structure that introduces the charachters and setting.
It was poison last i remembered
The malignant murderer ruthlessly assassinated two children.