As per Wikipedia, a playing card is a piece of specially prepared heavy paper, thin cardboard, or thin plastic, figured with distinguishing motifs and used as one of a set for playing card games. Playing cards are typically palm-sized for convenient handling.
For a common man, a complete set of cards which has 52 cards is called a pack or deck, and handling these cards while playing different card games is known with different names like hand, sequence, set, run etc. This pack or deck of cards is used to play different types of card games like rummy. Apart from playing different types of card games with a standard 52 cards pack/deck of cards.
A single deck of playing cards comprises of:
The face side of each card is marked with the numbers per their suit and the print on the back side of a deck of cards is marked identical so that players cannot memorize and distinguish the cards. The design on the back of the cards is often used to advertise various brands as it is considered an easy and affordable way to reach the masses.
Apart from just playing card games, a standard deck of cards is used for magic tricks, cartomancy, encryption, board games, or building a house of cards.
The rummy games offered by RummyCircle.com are also played with a standard pack or deck of cards that has 52 cards. The rummy games of RummyCircle.com do not include the printed joker.
The rummy games of RummyCircle.com are played with a joker. The above mentioned rummy information provided by RummyCircle is purely for informative purposes only. The rummy rules that are applicable to RummyCircle.com rummy games can be found at: http://www.rummycircle.com/how-to-play-rummy/rummy-rules.html