Question: what is a 2 pair?
Answer: Two pair is a hand that contains two cards of one rank, two cards of another rank and one card of a third rank (the kicker), such as J♥ J♣ 4♣ 4♠ 9♥ ("two pair, jacks and fours" or "two pair, jacks over fours" or "jacks up"). It ranks below three of a kind and above one pair.