§ 02 · King James Bible
Exodus 39:14
And the stones were according to the names of the children of Israel, twelve, according to their names, like the engravings of a signet, every one with his name, according to the twelve tribes.
Simple English
The stones represented the twelve tribes of Israel, each stone had a name of a tribe, just like the markings on a seal, and every stone's name was unique.
* Work in progress - there may be occasional inaccuracies