But we do much of our talking without words.
We often use a kind of "body language" to show what we think or feel.
This body language is the language of gestures.
We point a finger, raise and eyebrow, wave an arm- -or move another part of the body - - to show that we want to say.
In other words, "talk" with these gestures.
And we make hundreds of these gestures in a day.