"like a sunbeam" - it is used to give deeper meaning and description to what her face looks like in person so the reader can feel as if they are standing in front of her seeing that face.
I believe it is She knows that he has made the only decision that will satisfy his soul but im not completely positive.
Answer:
Fiction
Fiction is any story made up by an author. It is a creation of the author's imagination. It is not based strictly on history or facts.