CAIRN CARD CASTLE:
Rock structure comprising cards emulating BALANCING STONES and SUPPORTING STONES that is scored by judges once completed.
BALANCING STONE:
Precarious rocks of the CAIRN CARD CASTLE that sit atop SUPPORTING STONES. The numerical value of the BALANCING STONE must be less than or equal to the one or two SUPPORTING STONE(s) below.
SUPPORTING STONE:
Foundational rocks of the CAIRN CARD CASTLE that support BALANCING STONES. The numerical value of any one or two SUPPORTING STONE(s) must always be greater than or equal to the numerical value of the BALANCING STONE above.
HEAVY STONE (J, Q, K):
Represented by face cards. Has a numerical value of ten and must always be supported by at least one HEAVY STONE (unless it is in the bottom row).
AGATE (Joker):
Represented by Jokers. Has a numerical value of zero but still may be used in support, and must always be supported by two SUPPORTING STONES, not one.
CONSUMMATE CAIRN:
A special CAIRN CARD CASTLE that is achieved only when the judges give the player a perfect SEDECUPLE score. The ultimate goal of the game.
SEDECUPLE:
A perfect score of 4x4 from the judges that signifies the player has created the CONSUMMATE CAIRN.