What is the meaning of Zechariah 6:7?

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

As the strong horses went out, they were eager to go and patrol the earth; and the LORD said, “Go and patrol the earth.” So they patrolled the earth.

Berean Standard Bible (BSB)

The strong went out, and sought to go that they might walk back and forth through the earth: and he said, “Go around and through the earth!” So they walked back and forth through the earth.

World English Bible (WEB)

And the bay{H554} went forth{H3318}{(H8804)}, and sought{H1245}{(H8762)} to go{H3212}{(H8800)} that they might walk to and fro{H1980}{(H8692)} through the earth{H776}: and he said{H559}{(H8799)}, Get you hence{H3212}{(H8798)}, walk to and fro{H1980}{(H8690)} through the earth{H776}. So they walked to and fro{H1980}{(H8691)} through the earth{H776}.

Strong's King James

When the gray ones went out, they wanted to go walk about through the land, and He said, "Go, walk about through the land." So they walked about through the land.

The F.O.G*

The F.O.G Paraphrase

and the strong ones have come forth, and they seek to go to walk up and down in the earth;’ and he saith, ‘Go, walk up and down in the earth;’ and they walk up and down in the earth.

Young's Literal Translation