For what reason do master storytellers use concrete nouns and active verbs?

The correct answer is Concrete nouns and active verbs contribute to clarity and impact in quality writing

When you use concrete nouns then it is difficult to be misunderstood, while active verbs bring a lot to the pacing of the written material. If you look at writers like Hemingway for example, he uses a lot of concrete nouns and simple sentences which prevents people from becoming lost in the books and it brings out the quality of the content.