21. waymarks--pillars to mark the road for the returning exiles.
Caravans set up pillars, or pointed heaps of stones, to mark the
way through the desert against their return. So Israel is told by God to
mark the way by which they went in leaving their country for exile; for
by the same way they shall return.
highway--
(Isa 35:8, 10).
JFB.
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