When it comes to the existence of higher mammals in a system, especially social ones, it is impossible to avoid the question of not only the understanding of the system itself, but also the question of the understanding of a phenomenon, a notion of the result of one’s own actions in resolving an arisen task, intra- and inter-species altruism. All this and more are impossible without the capability for thought. Without this, the formation of semantic meanings in sound communication is also not possible. All of this will be discussed.