Help plz they don’t have an answer for this

Where does writer's block come from? briefly describe each of the four possible reasons that writer's block occurs. asap!

Which best describes the suspense technique of flashback? an image, color, object, or similar is shown early in the film. it later reappears in a pivotal scene or plot point. details of the story outside of the chronological storyline are provided to the audience, often as a memory. illusions of explosions and other events are presented, often using computer-generated imagery to seem realistic. the screenwriter lets the audience know something the main character does not, usually something important to the plot.

What can be inferred by the description of this setting