Tullio De Mauro investigates the evolution of Italian from the post-war period to today. A common language crossed by its regional variants. But that few master.
Bad language is not only bad and harmful: it is also ineffective; it is fraudulent. Speaking badly means not being understood; and whoever does not understand does not trust. He thinks there is deception, that you are there to screw him. So a speech, written or spoken, first of all