
Singula quaeque locum teneant sortita
Each one occupies the seat assigned to it.
“Correctly and appropriately organized. Gameboard/vase/basin/riverbed/basket or a Latrunculorum, or chess pieces, board.” – Jakob Bosch, Symbolographia, Class 3, DCLXXXII 683.

Nunquam a recto deflectit
It never changes from the frontside.
“Tenacious and champion of equality of arms. A rook on the chessboard always moves in a straight line. This game piece is called elephant by others. But the name of the tower is better suited to the people of Orvieto, to whom this symbol was adapted, since it is the sign of that nation.” – Jakob Bosch, Symbolographia, Class 2, CCLXXV 275

Lex una attendere regi
One of the laws requires to serve the king.
“Devoted to the king in all things and committed to pursuing his interests. Latrunculi gameboard/vase/basin/riverbed/basket: commonly known as chessboard.” – Jakob Bosch, Symbolographia, Class 2, MLXXVI 1076.