What is the meaning of Revelation 21:12?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

The city had a great and high wall with twelve gates inscribed with the names of the twelve tribes of Israel, and twelve angels at the gates.

Berean Standard Bible (BSB)

having a great and high wall; having twelve gates, and at the gates twelve angels; and names written on them, which are the names of the twelve tribes of the children of Israel.

World English Bible (WEB)

And{G5037} had{G2192}{(G5723)} a wall{G5038} great{G3173} and{G2532} high{G5308}, and had{G2192}{(G5723)} twelve{G1427} gates{G4440}, and{G2532} at{G1909} the gates{G4440} twelve{G1427} angels{G32}, and{G2532} names{G3686} written thereon{G1924}{(G5772)}, which{G3739} are{G2076}{(G5748)} the names of the twelve{G1427} tribes{G5443} of the children{G5207} of Israel{G2474}:

Strong's King James

(12) Having a great and high wall, having 12 gates and upon the gates, 12 angels and names written which are the 12 tribes; Israel's sons.

The F.O.G*

[12] It had a great, high wall with twelve gates, guarded by twelve messengers. Written on the gates were the names of the twelve tribes of Israel.

The F.O.G Paraphrase

having also a wall great and high, having twelve gates, and at the gates twelve messengers, and names written thereon, which are those of the twelve tribes of the sons of Israel,

Young's Literal Translation