What is the meaning of Revelation 17:7?

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

“Why are you so amazed?” said the angel. “I will tell you the mystery of the woman and of the beast that carries her, which has the seven heads and ten horns.

Berean Standard Bible (BSB)

The angel said to me, “Why do you wonder? I will tell you the mystery of the woman, and of the beast that carries her, which has the seven heads and the ten horns.

World English Bible (WEB)

And{G2532} the angel{G32} said{G2036}{(G5627)} unto me{G3427}, Wherefore{G1302} didst thou marvel{G2296}{(G5656)}? I{G1473} will tell{G2046}{(G5692)} thee{G4671} the mystery{G3466} of the woman{G1135}, and{G2532} of the beast{G2342} that carrieth{G941}{(G5723)} her{G846}, which{G3588} hath{G2192}{(G5723)} the seven{G2033} heads{G2776} and{G2532} ten{G1176} horns{G2768}.

Strong's King James

(7) The angel said to me, "Why are you astonished?" I will tell you the mystery of the woman and the beast that carries her which has the seven heads and the ten horns.

The F.O.G*

[7] The messenger asked me, "Why are you so amazed? I will explain the mystery of this woman and the seven-headed, ten-horned beast that carries her.

The F.O.G Paraphrase

and the messenger said to me, ‘Wherefore didst thou wonder? I—I will tell thee the secret of the woman and of the beast that is carrying her, which hath the seven heads and the ten horns.

Young's Literal Translation