NOTE: Article in Progress
what happens when you come to a new place and you don't know the local language? you try to speak all other languages you may know (mostly in vain). you try to speak the (universal) human language, through signs and gestures? it may seem that these signs are universal, but they aren't.
example: hand gestures to display the count of numbers, there are different ways
example: gestures to display agreement or disagreement
differ from place to place? but are signs and gestures characteristic of a language?
exclamation: emotional expressions, different ways at different places, sometimes part of language? pain, joy, victory, cheering up a team, congratulating, example wow!