I understand that the red, yellow and green lines give a general idea of how bad traffic is on a road, but do they have any specific meaning, like red equals a 40-minute wait at a toll bridge? a. According to the Google Maps site, the colored lines representing traffic conditions on major highways refer to the speed at which one can travel on that road.
The oldest form of writing known to man is Cuneiform used in Mesopatamia.
History of Chinese Writing System. The Chinese writing system is one of the oldest known written languages â some of the earliest examples of ancient Chinese writing date back to over 4,000 years ago. The Chinese writing systems uses a logographic system (a series of symbols that represent a complete word or a phrase).