What is the meaning of Luke 3:4?

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

as it is written in the book of the words of Isaiah the prophet: “A voice of one calling in the wilderness, ‘Prepare the way for the Lord, make straight paths for Him.

Berean Standard Bible (BSB)

As it is written in the book of the words of Isaiah the prophet, “The voice of one crying in the wilderness, ‘Make ready the way of the Lord. Make his paths straight.

World English Bible (WEB)

As{G5613} it is written{G1125}{(G5769)} in{G1722} the book{G976} of the words{G3056} of Esaias{G2268} the prophet{G4396}, saying{G3004}{(G5723)}, The voice{G5456} of one crying{G994}{(G5723)} in{G1722} the wilderness{G2048}, Prepare ye{G2090}{(G5657)} the way{G3598} of the Lord{G2962}, make{G4160}{(G5720)} his{G846} paths{G5147} straight{G2117}.

Strong's King James

(4) As written in the scroll, Isaiah's words, the prophet:The voice of one crying out in the wilderness, Prepare the roadway of יהוה YAHWEH, Make His paths straight.

The F.O.G*

[4] This fulfilled Isaiah's ancient prophecy: "A voice echoes through the wilderness, crying, 'Prepare your hearts for the Lord's coming! Clear away every obstacle that stands in His way!

The F.O.G Paraphrase

as it hath been written in the scroll of the words of Isaiah the prophet, saying, ‘A voice of one crying in the wilderness, Prepare ye the way of the Lord, straight make ye His paths;

Young's Literal Translation