The document discusses different types of movie posters used to market the film "Dredd". It explains that a teaser poster for "Dredd" provided just a brief preview to make audiences aware of the upcoming film, showing the character's costume and hinting at themes of judgment. In contrast, the official poster for "Dredd" revealed more about the dark, horrific tone and focus on the character rather than the actor. Teaser posters are meant to initially raise awareness with just a taste of key details, while official posters give audiences more complete information to decide if they want to see the film.