Final answer:
The 'PROCEED' signal indication means for the driver to continue moving forward, differing from 'PROCEED with caution' and 'stop', which require different actions.
Step-by-step explanation:
The PROCEED indication in traffic signal terminology most nearly means to continue moving forward. It is a clear directive for the driver to maintain their course and speed, following the rules of the road.
This indication is different from PROCEED with caution, which suggests that a driver should be more alert and prepared for potential hazards, and it is certainly distinct from a stop signal which requires the driver to come to a complete halt.
Traffic signals are in place to manage the safety of both vehicles and pedestrians at intersections, hence understanding and following these signals contribute significantly to road safety.