Risk Tolerance :
Define your trading goals it,s may be short-term or may be long-term gain. If you prefer actively managing trading by market news then the shot trade is the best option for you. Profit and loss depend on the risk high risk may give you a high gain or high loss but a good strategy cover it deeply.
Beginners won't understand this too early. What they need to have is to have more experience and gain more knowledge through it and then this will be learned.
This also includes the amount that they want to trade and to start with because not everyone starts big already and that's the entire process that a beginner should go through.
Beginners only goal is to make profits, and that they are not much aware on having some risk tolerance. But as they go on with their experience in the market, consistently making some trades, while gaining more knowledge and honed some skills, they will definitely discover it on their own. As they can’t be successful in their trading career without takings some risk and learning how to minimize or reduce the risk in it.