Far too much attention is paid to words. However, there is much more communication that is going on that is not being said. The majority of communication is done non-verbal. As much as 93% communication is done non-verbally whereas 7% is done with words. That is a significant amount of communication that is done without words. This article lays out some of the findings of Albert Mehrabian in his book Silent Messages where his findings showed that most communication is 93% non-verbal. Click Here for article.
Watch this video from Ted Talks about non verbal communication: