Not only humans communicate, most other animals do too.
These are main ways humans communicate that include talking, looking, nonverbal communication, listening.
But what if the humans and the aliens could communicate mathematically?
This is also primarily due to the fact that humans communicate better when they are able to communicate with their body language.
"In the future it will probably be the main way we humans communicate."
Language has developed as a sign system - one of the ways in which humans communicate and make sense of the world around them.
Some humans can recognise consciousness in plants and effectively communicate with them.
Until then, humans had communicated purely through text or sound waves.
As humans communicate with each other personal disclosure occurs.
Through these written words, humans communicate with each other.