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			Language is our primary means of communication.  Only humans speak.  No other animal has anything approaching the complexity of language.  This is because language, like culture in general, is transmitted through learning.  Language is based on arbitrary, learned associations between words and the things for which they stand.
				Call systems are natural communication systems of primates.  Nonhuman primates use limited call systems to communicate.  Apes, for example, have a limited number of sounds, or calls, that are produced only when particular environmental stimuli are encountered.  Over time, the call systems of ancestral humans grew too complicated for genetic transmission.  They began to rely on learning and evolved into language, our main system of communication.
			This section will cover:
						- Origin       - Alphabet - Syntax       - Dialect - Useful Terms