<span>definition:
a sentence that expresses the main idea of the paragraph in which it occurs
primary purpose:
to express the main idea in a paragraph</span>
He just wanted a quick way to get out of a situation so he blinds him because he feared for his life and didn't really want to kill he would rather escape.
To describe colors to a blind person you use your other 4 senses smell, touch, taste, and emotions expressing it for example red expressing yourself as in love the blood flowing through you ect. or a leave is green expressing yourself saying a green is like a plant thats free in the breeze
Its either personification or imagery but i'd go with personification since it kind of lacks imagery words and its a bit hard to picture that event :)
