How do the writer bring the reader into the character’s consciousness, the mind, the thinking of the protagonists through the writer’s style–the way they handle the language

Using the two uploaded articles In five well-crafted paragraphs Compare language, element of fiction in the two stories on W W I “The Fly” and “A Soldier’s Home”. How do the writer bring the reader into the character’s consciousness, the mind, the thinking of the protagonists through the writer’s style–the way they handle the language: diction–the word choice, sentence syntax–the order of words in the lines?