By speech and signals.
how primitive people measure quantities
they communicated in najou
The rights and responsibilities of clients can be communicated in organizations by advising people about their rights.
The people from the stone age used primitive tools.
people communicated by using electric telegraphic instruments!
barbarian
Barbarian
theme
I think they didn't, they communicated themselves by signals.
The people communicated in many ways like:LetterPersonal MessengerPigeonsEagles
moon and sun :)
The Native Americans