Online gambling refers to the act of placing bets or playing games of chance over the internet. This can include activities such as online poker, sports betting, and casino games like slots and blackjack. Players can access these platforms through websites or mobile apps, allowing them to gamble from the comfort of their own homes. Many online gambling sites offer various features, including bonuses, promotions, and live dealer options. However, regulations vary by country, and it's essential for players to understand the legal implications and risks associated with online gambling before participating.