The late Italian literary genius, Umberto Eco, was a semiotician. He was an expert on meaningful communication, scientifically known under the name of semiotics – a part of linguistics that studies meaning-making, thus the meaning of language.
In the following article, we can use some semiotic key elements to comprehend the essence of Trump’s ideology: http://lithub.com/umberto-eco-on-donald-trump-14-ways-of-looking-at-a-fascist/

In a world where maths are more valued than linguistics, semiotics may help to untangle the core meaning in all the current speeches and presidential debates in order to understand the true mind of the people who give them and participate in them.

It’s a fact: maths will help you learn how to fly a plane, not how to vote.