'Boundary' in the Bible

And they buried him in the territory of his inheritance in Timnath-heres, in the hill country of Ephraim, north of Mount Gaash.

But Ehud himself turned back from the sculptured stones at Gilgal, [and he returned to Eglon] and said [to him], “I have a secret message for you, O king.” Eglon said “Keep silence.” And all who attended him left him.

Now Ehud escaped while they lingered, and he passed beyond the sculptured stones and escaped to Seirah.

“Then they traveled through the wilderness and around the lands of Edom and Moab. They came to the east side of the land of Moab and camped on the other side of the Arnon but did not enter into the territory of Moab, for the Arnon was the boundary of Moab.