That's the simple understanding of Forex but on making profits and have profitable strategy will be the most difficult thing to have in Forex. And also the trading psychology that the emotions can't easily manage just that we can only reduce the intensity of our emotions.
Making it more complex to the understanding of a newbie. Forex trading to me is where we can attain profits in small small units while exchanging of currency for the other. Forex trading is simply giving one your own currency to get his because of the need for it or as business purpose.