Answer :
In particular impressed Marco Polo marveled at China's cultural practices, immense wealth, and complex social structure. Impressed by the empire's banknotes, efficient communication systems, coal burning, gunpowder, and China, he called Xanadu "the greatest palace ever."
Communication is the transfer of information from one place, person or group to another. All communications include (at least) a sender, a message, and a recipient. This may sound simple, but communication is actually a very complex subject.
Communication can be classified into three basic types. (1) Oral communication, listening to people and understanding their meaning. (2) written communications for which you read their meaning; (3) non-verbal communication in which people are observed and meanings are inferred;
Communication requires the sender (the person initiating the communication) to send his thoughts or encode the message. This message is sent to the recipient (the person who will receive the message) and ultimately the recipient must decipher or interpret the message.
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