Deuteronomy 23:12

Thou shalt have also a place without the camp,.... A place prepared, as the Targums of Onkelos and Jonathan, provided on purpose for the use hereafter suggested; so Ben Melech:

whither thou shalt go…

The whole passage refers not to the encampments of the nation while passing from Egypt through the wilderness, but to future warlike expeditions seat out from Canaan.

Israel was now encamped, and this vast army was just entering upon action, which was likely to keep them together for a long time, and therefore it was fit to give them particular directions for the…