Multi-line - This simply means a slot machine with more than one pay line. Slot machines can have up to 20 different pay lines and it pays to read the machine before you play to avoid any disappointment.

Progressive Jackpot - This is a top prize which grows as people play. Often these machines are linked up at several casinos so the jackpots can grow very large. As always "reading" the machine before you play is a must.

Pay line - This is the line on which you must line up the symbols to score a win. Modern slots can have from 1 to 20 pay lines.

Pay Table - The pay table is the section of the slot machine which instructs you how much you will win for each type of combination. The pay table will also tell you if there are bonus features and if max bet will reward you with a bonus top prize.

Reels - The spinning part of the online slot machine, symbols are on the reels

Symbols - These are the pictures which you must line up to score a win.

Wild Symbol – This is like a joker (or wild card) - it counts for any other symbol, many times, a wild symbol will be that much needed third symbol in a winning combo.