Answer:
I am 80% sure it's predicate adjective
It is called the diction.
Angst, in writing, is like a dark story. One that has a sad, dark, etc. plot to it. On the other hand, tone is how a writer feel towards a topic.
Figurative language refers to the use of words in a way that deviates from traditional meaning in order to convey a complicated meaning, colorful writing, clarity, or evocative comparison. It uses an ordinary sentence to refer to something without directly stating it.
Alliteration: the occurrence of the same letter or sound at the beginning of adjacent or closely connected words.
Example: Three grey geese in a field grazing. Grey were the geese and green was the grazing.
Onomatopoeia: the formation of a word from a sound associated with what is named
Example: The bridge collapsed creating a tremendous boom.
Hyperbole: exaggerated statements or claims not meant to be taken literally.
Example: He's running faster than the wind.