Nothing is Quite What is Seems - In the City of Dreams

It is not easy explaining the impressive heat to a four year old who wants to go outside and play in the park. We have to change our language to fit the situation as it is presented to us. Our vocabulary must, by necessity change in order for us to be first, understood - and then to impart some comprehension to the four year old. This ability we as a communicative species to change our language must be able to be scaled to any other situation. Professional jargon, sports, spontaneous discussions of minutia. How do we filter it all and present it cognitively to others?