What is non-symbolic -interactionism theory?

The non-symbolic interactionism does not require a highly thinking about in a certain things because its formally an gestures explanatory that do not require thinking/assigning meaning because not all things require the process of your cognitive thinking because in a form of gestures,signs,marks,and any form of things which we know, we can give it meaning. For instance, when the hands of one person waving his/her hand in someone it means that "bye-bye" is the meaning of the gestures his/her trying to insinuate in a particular evaents.