81:6.17
Language evolved out of group associations, each local group developing its own system of word exchange. Language grew up through gestures, signs, cries, imitative sounds, intonation, and accent to the vocalization of subsequent alphabets. Language is man’s greatest and most serviceable thinking tool, but it never flourished until social groups acquired some leisure. The tendency to play with language develops new words—slang. If the majority adopt the slang, then usage constitutes it language. The origin of dialects is illustrated by the indulgence in “baby talk” in a family group.