"Researching the Human Genom[e], they say that all present humans are very close; and perhaps started from a family in Africa. But taking a hundred thousands years in different locations on the earth, their cultures and the languages have diversified; now communication difficulties happen among them. Humans are social animals; can't survive without communication. In the beginning era, how did people make a mutual understanding? Looking back at the ways and taking their wisdom would help to build natural EL. Because the ways work even now when a language is useless. My proposal for the concrete EL system is referred to the primitive methods and ideas of main writing/communication systems worldwide..."