Answers

2016-07-27T20:14:15+08:00
Sharing or exchanging of information, thoughts, ideas to another person. Connecting with someone, and making them understand the given topic.

Came from a Latin word, "commonis"
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2016-07-31T18:41:17+08:00
It is a two way process by which information is exchanged between or among individuals through a common system of symbols, signs, and behavior. 
-by Martinez
it can be verbal: with words, written or said or non-verbal: gestures, facial expressions, eye contact, etc.
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