Different times and cultures may favor a different emphasis. The undirected dreams or images may then be suppressed or discounted. That is, the child accepts the priority of the five external senses, the environment they represent, and does not remain or withdraw fully into the echo or memories of past experiences. Loss of control here may appear as madness or as a withdrawal from the world given by the physical senses. The words of others are external to the child.
Words provide information and instructions.
When a noise is heard, a child will identify its source. The source is often external. But as the child learns to speak, the source is not external. That is, when a word is spoken, it echoes in the ears and therefore the mind of the talker. Then in learning to read or speak silently, the external spoken word is internalized.