A slot is a device on which letters or postcards can be inserted. You can also find slots in some computers and video cards.
In a slot, there are two possible ways to win money: either the symbols on the reels line up or a special feature triggers a bonus round. These features are typically different for every game.
Free Play is a great way to get a feel for how a slot works before spending any real money. This is especially helpful if you are new to online casino games.
The pay table will list all the possible symbols that appear on a slot machine and how much you can expect to win from landing three, four or five of them. In addition, it will highlight any special symbols, such as the Wild symbol and any other bonus or scatter symbols.
Depending on the type of feature, the pay table might also show how much you can bet and how many paylines you can use. For example, a bonus feature may require you to bet a certain amount of coins before triggering the feature.
As a general rule, you should play low volatility slots if you have a small budget and are looking to stretch your bankroll over a long period of time. On the other hand, high volatility slots can provide larger rewards but are more risky. In any case, it is worth testing out a few different types of slots before you decide which one is right for you.