they wrote notes and they sent coins as pictures if the other person didn't know how to write or the person sending it would send the coin if they didn't know how to write.
I think that Zeus and all other Greek gods are friend with each other
people use to write letters and give to postmans or in more ancient days they would write carvings on stones.
with Greek language of course... and pretty much the same way as other people around the world i guess, when the verbal doesnt work, they use sign / body language, lol...........
By weapons tradesmen in each of the cities.
You have two ages mixed up. Neither are related nor do they have any relationship with each other.
They rammed into each other and killed each other :)
They wrote to each other or spoke to each other mainly in latin or greek. In those days there were no computers or mobile phones.
I think that Zeus and all other Greek gods are friend with each other
Insects communicate with each other by sensory.
I do not know how Jaguars communicate with each other. They might growl or purr.
They communicate with each other through Canalicili Extensions.
people use to write letters and give to postmans or in more ancient days they would write carvings on stones.
Penguins communicate by touhing each other, or feeling each other
they hit each other
For the very same reasons why we speak different languages today in order to communicate with each other.
They communicate with each other by sharing their ideas and maybe talk about their experiments together or writing to each other
Salamanders communicate with each other by visual ways. They also secrete a chemical that other salamanders can smell as a way to communicate.