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.
Old Tamil is the period of the Tamil language spanning the 5th century BCE to the 8th century CE. The earliest records in Old Tamil are short inscriptions from between the 5th and 2nd century BCE in caves and on pottery. These inscriptions are written in a variant of the Brahmi script called Tamil Brahmi.