One of the difficult parts of writing a great screenplay is creating captivating dialogue. The primary reason is because dialogue is not real life speech. It might seem like it when you notice it on the display screen, when you really give attention to what the characters are saying you'll realize script dialogue is much more focused. Understanding that there are some very key elements to writing the sort of discussion that can move a story along with creating the right atmosphere and determining the story without just telling the story.