You can learn more about your opponent's hand composition by observing how they discard cards, which frequently means they no longer need them. It cenlist the components and slots which are normally assembled on a motherboardould be prudent to refrain from picking up cards from a specific suit or rank if you observe that your opponent frequently discards those cards. This is because they might be a part of a bigger strategy that you are not aware of. Also, strategically using discards can improve your own gameplay.