The document discusses the key elements of a script and how the writer has used each element to convey important information. It explains that action blocks describe what is happening to help actors, dialogue introduces narrative and shows genre through language, sluglines help visualize scenes and show genre, typeface and formatting make the script easy to read, and character names allow actors to know their roles. The first page establishes the genre as mystery and sets up the narrative and protagonist for a horror film in a way that is common for the genre.