What is the meaning of Jude 1:6?

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

And the angels who did not stay within their own domain but abandoned their proper dwelling—these He has kept in eternal chains under darkness, bound for judgment on that great day.

Berean Standard Bible (BSB)

Angels who didn’t keep their first domain, but deserted their own dwelling place, he has kept in everlasting bonds under darkness for the judgment of the great day.

World English Bible (WEB)

And{G5037} the angels{G32} which kept{G5083}{(G5660)} not{G3361} their{G1438} first estate{G746}, but{G235} left{G620}{(G5631)} their own{G2398} habitation{G3613}, he hath reserved{G5083}{(G5758)} in everlasting{G126} chains{G1199} under{G5259} darkness{G2217} unto{G1519} the judgment{G2920} of the great{G3173} day{G2250}.

Strong's King James

(6) Both angels who didn't keep their own rulership but abandoned their proper habitation are kept in this age chains under deep darkness for the great day of judgement.

The F.O.G*

[6] And consider the angels who abandoned their God-given positions of authority, choosing instead to rebel against heaven's order. He has bound them in unbreakable chains, locked in total darkness, awaiting their final judgment on that awesome Day.

The F.O.G Paraphrase

messengers also, those who did not keep their own principality, but did leave their proper dwelling, to a judgment of a great day, in bonds everlasting, under darkness He hath kept,

Young's Literal Translation