One of the first manifestations of a human being in this world and one of the earliest ways of interaction with the Universe is a sound – the first cry of a baby, or child’s cooing, which translates into words and speech in the course of time.

One of the first manifestations of a human being in this world and one of the earliest ways of interaction with the Universe is a sound – the first cry of a baby, or child’s cooing, which translates into words and speech in the course of time.