Variance: The degree of fluctuation in results around the expected value. High-variance games experience larger swings; low-variance games have more consistent results.
Bankroll: The total amount of money designated for video poker play. Proper bankroll management is crucial for withstanding variance without going broke.
Denomination: The coin or credit value of each bet unit. Penny, nickel, quarter, and dollar machines exist with different pay tables.
Expected Value (EV): The average result of a decision, calculated mathematically. Positive EV decisions increase winnings; negative EV decisions decrease them.
Pair: Two cards of the same rank. Different types include low pair (pairs of 2-9) and high pair (pairs of J-A), which have different strategic importance.
Kicker: An unpaired card held with a pair. Proper kicker strategy affects pay table returns and overall game value.