The author's main purpose of writing memoir Night was to describe the terrible conditions of war.
Explanation: The author has described about the inhumanity to nature when the war has took place. The crying night souls of the people are expressed in the poem where they starve for happiness and peace.
Answer/Explanation:
Visual (sight) because of the descriptive comparison of the outlines, you can almost see what they look like. It is like the author hands you a photo of the words in action.