A quipu (khipu) was a method used by the Incas and other ancient Andean cultures to keep records and communicate information using string and knots. In the absence of an alphabetic writing system, this simple and highly portable device achieved a surprising degree of precision and flexibility.
Verbal exchange is usually described because the transmission of data. The time period may additionally seek advice from the message communicated thru such transmissions or the sphere of inquiry studying them. there are many disagreements about its unique definition.[4][5] John Peters argues that the problem of defining communique emerges from the truth that communication is each a popular phenomenon and a selected discipline of institutional educational examine.[6] One definitional approach entails proscribing what may be included inside the class of verbal exchange (as an example, requiring a "conscious rationale" to steer).
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