What does Joshua 18:16 mean?

and the border went down to the uttermost part of the mountain that lieth before the valley of the son of Hinnom, which is in the vale of Rephaim northward; and it went down to the valley of Hinnom, to the side of the Jebusite southward, and went down to En-rogel;

And the border came down to the end of the mountain that lieth before the valley of the son of Hinnom, and which is in the valley of the giants on the north, and descended to the valley of Hinnom, to the side of Jebusi on the south, and descended to En–rogel,

and the border went down to the uttermost part of the mountain that lieth before the valley of the son of Hinnom, which is in the vale of Rephaim northward; and it went down to the valley of Hinnom, to the side of the Jebusite southward, and went down to En-rogel;

And the line goes down to the farthest part of the mountain facing the valley of the son of Hinnom, which is on the north of the valley of Rephaim: from there it goes down to the valley of Hinnom, to the side of the Jebusite on the south as far as En-rogel;

and the border hath come down unto the extremity of the hill which <FI>is<Fi> on the front of the valley of the son of Hinnom, which <FI>is<Fi> in the valley of the Rephaim northward, and hath gone down the valley of Hinnom unto the side of Jebusi southward, and gone down <FI>to<Fi> En-Rogel,

And it goeth down to that part of the mountain that looketh on the valley of the children of Ennom: and is over against the north quarter in the furthermost part of the valley of Raphaim, and it goeth down into Geennom (that is the valley of Ennom) by the side of the Jebusite to the south: and cometh to the fountain of Rogel,

And the border went down to the end of the mountain that is before the valley of the son of Hinnom, which is in the valley of Rephaim on the north, and went down the valley of Hinnom, to the side of the Jebusite on the south, and went down to En-rogel;