The answer is mass communication.
Well, thats a difficult question, because are you specific to just humans or animals? Plus the right answer is based on what you believe. Like if you believe God created everything, then animals were the first to speak, and then humans, well it did not specify in the Bible what they spoke. If you believe in evolution, animals were also the first to speak in their own language, probably through noises and body language
One situation when it would be okay to speak on the phone while driving, would be when you are calling 911 or any emergency number.
Make inferences about the meaning based on the words around it.
