What does the term 'blind spot' refer to in the context of driving?

Answer: B — Areas around the vehicle that cannot be seen through mirrors

The term 'blind spot' specifically refers to areas around a vehicle that cannot be seen through the mirrors. Every vehicle has certain zones that the driver cannot directly observe while looking in the rearview or side mirrors. These blind spots can hide other vehicles, pedestrians, or objects, which makes it crucial for drivers to be aware of them, especially when changing lanes or making turns. This awareness is vital for safety, as failing to check blind spots can result in collisions or accidents. Understanding this concept helps drivers take necessary precautions, such as turning their heads to visually confirm that a lane is clear before moving into it.