Final answer:
A round sign is typically a traffic sign used to convey important information or instructions to drivers on the road, such as stop signs or yield signs.
Step-by-step explanation:
A round sign is typically used as a traffic sign to convey important information or instructions to drivers on the road. Round signs are usually regulatory signs, such as stop signs or yield signs, that provide specific traffic rules and regulations.
For example, a round red sign with white letters spelling 'STOP' is used to indicate that drivers must come to a complete stop at the designated point on the road. On the other hand, a round yellow sign with black letters spelling 'YIELD' is used to notify drivers that they should slow down and be prepared to yield the right-of-way to other vehicles.
Round traffic signs are designed with specific colors, shapes, and symbols to ensure clarity and visibility, helping to maintain order and safety on the roads.