Final answer:
A slow-moving vehicle sign indicates that the vehicle is moving slower than the normal flow of traffic.
Step-by-step explanation:
A slow-moving vehicle sign indicates that the vehicle is moving slower than the normal flow of traffic. This sign is usually used for vehicles such as tractors, construction trucks, or other large vehicles that cannot travel at high speeds. It serves as a warning to other drivers to be cautious and patient when approaching or following behind the slow-moving vehicle.