A slot is a position within a group, series or sequence. A slot can also refer to a particular space on an aircraft or vehicle. A slot can be a specific area on the wing or tail of an airplane, for example, where a spoiler is attached.
Pay line
A payline is the line on which a player can earn a payout for winning combinations. A payline may be fixed or variable, depending on the type of game. Some slot machines have multiple pay lines, while others have fewer.
Random number generator
A random number generator (RNG) is a computer program that generates thousands of potential slot results per second. The RNG takes into account all of the symbols in a machine’s system and determines which are likely to appear on each reel. This is how slot games can produce a winning combination even though there are only a few possible outcomes for each spin.
Candle (aka Tower Light)
The two colored lights at the top of a slot machine are known as the Candle or Tower Light. The first is for the minimum denomination and the second is a service light that turns on when a machine has been pressed to signal a player needs help.
High Volatility
A High Volatility slot does not pay out as often as other slots but when they do it is usually large. They are often referred to as the “high and fast” slot because you can win big but you will need to have lots of luck.