The concept of private languages holds that each person's words are symbols with which he identifies certain of his perceptions. Language operates in the public sphere only so long as the symbols used by a speaker to denote his perceptions roughly correspond to the symbols the listener uses for his perceptions. The philosopher Ludwig Wittgenstein…

Literacy is a social concept more reflective of culture and context than of formal instruction and can be used for cultural transmission within a society or for cultural imperialism when imposed from outside. The Algonquian-speaking Micmac Indians used pictographs, petroglyphs, notched sticks, and wampum as written communication to serve early…