1. Straight Flush
The highest possible hand: All five cards of the same suit and in sequence, as the 6,7,8,9 and 10 of diamonds. The highest ranking straight flush is the 10, J, Q, K and Ace of one suit called a Royal Flush
2. Four of a Kind
Such as four aces or four sixes, it does not matter what the fifth, unmatched card is.
3. Full House
Three cards of one rank and two cards of another rank, such as 8,8,8,4,4
4. Flush
Five cards of the same suit , but not all in the same sequence.
5. Straight
Five cards in sequence, but not all of the same suit.