"They're coming for all of us."
In recent years, "pitch decks" have become a standard feature when pitching one's TV show or movie. Essentially, they give a sense of the story you're trying to tell in pictures with some commentary. They supplement the logline and the synopsis, and can contain both.
Text to image AI has dramatically altered the approach. Now, instead of searching endlessly for stock images to get a glimpse of your idea, one just has to ask Copilot, or any text to image AI program. They create in exquisite detail the tone and style of the image.