Online gambling refers to the activity of playing gambling games on the Internet, including various types of games, such as slot machines, table games, sports betting, lotteries, and more. Here are some common ways to play online betting:

1. Gambling machine games: Online gambling machine games are currently one of the most popular online gambling methods, including various slot machines, fruit machines, poker machines, etc.
2. Table games: Online gaming sites also offer a variety of table games, such as baccarat, roulette, dice, blackjack and more.
3. Sports betting: Online betting sites provide betting on various sports games, such as football, basketball, baseball, tennis and so on.
4. Lottery: Online gambling sites also provide various lottery games, such as Big Lotto, Welfare Lottery 3D, Arrangement 3, Arrangement 5, etc.

It should be noted that the laws of different countries and regions have different regulations and restrictions on online gambling, and some places may prohibit online gambling activities. Therefore, when conducting online gambling activities, you must abide by the local laws and regulations.