"Pivotal scenes" are crucial moments in a story that significantly impact the plot or character development. These scenes often serve as turning points, where the direction of the narrative changes, leading to new conflicts or resolutions. They can evoke strong emotions and are essential for engaging the audience. In literature and film, pivotal scenes can include key revelations, dramatic confrontations, or important decisions made by characters. For example, in Shakespeare's "Hamlet", the scene where Hamlet confronts Gertrude reveals deep family tensions and sets the stage for the unfolding tragedy. Such moments are vital for understanding the overall themes and messages of the work.