https://www.historyofvisualcommunication.com/01-rocks-and-caves

Visual communication design during the Cro-magnon period, Northern American and Australian petroglyphs, geoglyphs.

https://domain.me/communication-history/

Sep 17, 2014 ... Give Homo sapiens some 20,000 years and the next step from cave paintings are petroglyphs. They are essentially the same thing, but carved ...

https://news.nationalgeographic.com/2018/02/acoustic-caves-rock-art-language-origin-spd/

Feb 21, 2018 ... Ancient Cave Drawings and Early Human Language Linked in New ... the art was less a form of communication and more a form of decoration.

https://www.creativedisplaysnow.com/articles/history-of-communication-from-cave-drawings-to-the-web/

Just as mankind has evolved over the centuries, our means of communication have followed suit. What began as primitive cave paintings and signed language  ...

https://www.sciencedaily.com/releases/2018/02/180221122923.htm

Feb 21, 2018 ... Cave artists were thus not just early-day Monets, drawing impressions ... Rather, they may have been engaged in a process of communication.

https://en.wikipedia.org/wiki/Cave_painting

Cave paintings are a type of parietal art found on the wall or ceilings of caves. The term usually implies prehistoric origin, but cave paintings can also be of ...

https://theoutline.com/post/2209/what-the-caves-are-trying-to-tell-us

Sep 7, 2017 ... Every so often, I get the urge to drag someone into a cave, and show them ... But I want to draw my prisoner's attention to something else. .... These might be communications, messages for someone who does not yet know.

https://www.cbc.ca/news/technology/did-early-humans-communicate-with-cave-signs-1.3040723

May 21, 2015 ... While cave paintings have long been cited as early evidence of human art, Canadian anthropologists believe that abstract signs and symbols ...

https://www.theguardian.com/science/2012/mar/11/cave-painting-symbols-language-evolution

Mar 10, 2012 ... Previously overlooked patterns in the cave art of southern France and ... learned written communication 25000 years earlier than we thought. ... We couldn't tell that from the cave paintings, where they appear lumped together.

http://www.newworldencyclopedia.org/entry/Cave_painting

Jan 19, 2017 ... Detail of the Laas Geel cave paintings (near Hargeysa, ... Cave paintings probably had a religious or informational purpose rather than being ...