What is the meaning of Revelation 19:4?

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

And the twenty-four elders and the four living creatures fell down and worshiped God who sits on the throne, saying: “Amen, Hallelujah!”

Berean Standard Bible (BSB)

The twenty-four elders and the four living creatures fell down and worshiped God who sits on the throne, saying, “Amen! Hallelujah!”

World English Bible (WEB)

And{G2532} the four{G5064} and{G2532} twenty{G1501} elders{G4245} and{G2532} the four{G5064} beasts{G2226} fell down{G4098}{(G5627)} and{G2532} worshipped{G4352}{(G5656)} God{G2316} that sat{G2521}{(G5740)} on{G1909} the throne{G2362}, saying{G3004}{(G5723)}, Amen{G281}; Alleluia{G239}.

Strong's King James

(4) The 24 elders and the four living-creatures fell down and worshipped יהוה YAHWEH seated on the throne, saying, "Amen. Hallelujah."

The F.O.G*

[4] The twenty-four elders and the four living creatures fell prostrate, worshiping יהוה who sits enthroned, crying out, "Amen! Hallelujah!"

The F.O.G Paraphrase

And fall down did the elders—the twenty and four—and the four living creatures, and they did bow before God who is sitting upon the throne, saying, ‘Amen, Alleluia.’

Young's Literal Translation