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.
Poetry appears among the earliest records of most literate cultures, with poetic fragments found on early monoliths, runestones and stelae. The oldest surviving speculative fiction poem is the Tale of the Shipwrecked Sailor, written in Hieratic and ascribed a date around 2500 B.C.E.