Royal Flush
This is the highest hand in Poker and consists of the following cards: Ace, King, Queen, Jack, Ten all of the same suit.
Example:

Straight Flush
This is a combination of five cards in sequence and all of the same suit.
Example:

Four Of A Kind
This is a combination of four cards of the same denomination, one in each suit.
Example:

Full House
This is a combination of three cards of one denomination and two cards of another denomination.
Example:

Flush
Five cards of the same suit.
Example:

Straight
Five cards in sequence of any suit.
Example:

Three Of A Kind
Three cards of the same denomiation and two unmatched cards.
Example:

Two Pairs
Two different denominative pairs and any fifth card.
Example:

One Pair
Two cards of the same demoniation and three unmatched cards.
Example:

Ace-King
The hand includes an Ace and King with threee unmatched cards.
Example: