Words are very powerful, especially whose meaning we don't know. That is why religious gurus and preachers use them in such a way that the masses feel spellbound. Every religious holy books has been written in the languages which most of the people don't understand. They just recite those books and think that it will make them pure and eligible to take place in an imaginary heaven.
Politicians use big showy words just to take advantage.

Humans can invent any concept, any invention of fantasy and project it externally into some imagined aspect of reality, true or false, and represent it as a symbol or word in language. What else I can say as you already has said...