Foreshadowing is a device used to

Foreshadowing is a literary device used by writers to hint at what is to come in a story. It prepares the reader for the direction the plot will take, often by giving clues or hints about future events, character development, or themes. It can help to build suspense, create tension, and engage the reader by making them curious about what will happen next. Therefore, the correct option is: prepare the reader for the direction a plot will take.