This can also be referred to as three of a kind. For example, if you have a six of Clubs, six of Spades and six of Hearts, you have a set or group of six.
It refers to three or four of the same cards from different suits. There are two main card combinations in Gin melding: sets and runs. Melds refer to card combinations that yield you more points than individual cards. In Gin, you are constantly reviewing your hand of 10 cards for possible melds. The second pile will be face down and include the remaining cards. The first pile will be face up and contain one card.
The remaining cards will be placed into two piles. To begin playing Gin the dealer will deal 10 cards to you and 10 cards to himself. Gin is a popular card game for two players that involves, discarding, melding and knocking.