Each time a player makes a decision as to who the murderer might be, where the murder took place and what the murder weapon was the game is altered. Therefore the game can end many different ways. Communication is the same way, if just one thing is said differently or one path chosen over another, the outcome changes. Each person in the conversation has his or her own interpretation of what the other person is saying and the context in which it is taking place. Each person also has his or her own agenda whether it is conscious or subconscious.
Children learn to speak just by listening to others.
They learn to speak without formal instruction. Soon they learn to say full sentences and create sentences of their own. Our imperfections such as stuttering, repetitions, pauses, misspeaking, mispronunciations etc. set a poor example of spoken language for children to imitate. With all the imperfections of our spoken language it is amazing how well children learn to speak. I am not saying language is not a perfect gift from God.