Final answer:
Colonel Mustard unintentionally points to the study revealing the location of the bodies, leading the motorist to investigate; this pivotal moment adds tension and progresses the plot in the narrative.
Step-by-step explanation:
In the context provided, Colonel Mustard points unintentionally at the study, which leads to an important revelation among the group. As per the description, this unintentional action causes the motorist to head towards the study, where the bodies are purported to be stored. This event indicates a key plot development as the reactions of the characters build suspense and contribute to the narrative arc. In literature, such actions can be understood as crucial turning points that drive the story forward, showcase character development, or reveal hidden aspects of the storyline.
The excerpts shared show examples of individuals pointing out or identifying another, which can have significant consequences. In stories, the act of pointing or directing attention to something or someone can serve various purposes, such as advancing the plot, revealing crucial information, or underscoring the gravity of a character's situation.