Additional Resources for you to Explore
Body language in general is a kind of non verbal communication where intentions and felling are expressed by physical behavior such as gestures ( hands or palm of hands), body posture and facial expressions. Here is the link to find more information about body languages.

http://ed.ted.com/lessons/your-body-language-shapes-who-you-are-amy-cuddy
Thank you very much every one for your lovely attention. Hope those information will help you !

Doris and Yan