Hell no
The people communicated in many ways like:LetterPersonal MessengerPigeonsEagles
Yes, early man was communicated. It was done by the "sign language". Those people also used to speak by hitting in the wall, and etc. You can get more information on "The history of the Early man".
There's no such thing as a "Real Language". Languages are there for us to exchange information and knowledge, before anyone could speak people probably communicated with each other by doing movements or pointing and facial and emotional expressions.
they communicated in najou
By speech and signals.
The rights and responsibilities of clients can be communicated in organizations by advising people about their rights.
Before learning to farm, people were hunters and gatherers. It was around the end of the Stone Age when humans first started to learn farming. Farming was less labor intensive and people began to form communities.
One can find information on learning how to dredge for gold by reading a book about dredging for gold. One can also find information by talking to people who dredge gold for a living.
people communicated by using electric telegraphic instruments!
During the Neolithic Age, people communicated through spoken language, gestures, and possibly early forms of writing or symbols. They may have also used visual aids such as cave paintings or drawings to convey messages. Community gatherings and social interactions would have played a significant role in communication as well.
Learning modalities are essentially the methods people use to physically give, obtain, and retain information. For example, most adults are able to visually learn, and the visual learning modality involves perception, processing in the brain, and retention or memory of specific information.
I think they didn't, they communicated themselves by signals.