en_tn/isa/15/05.md

This continues the prophecy about the people of Moab. God describes events that will happen in the future as if it is happening in the present. (See: Isaiah 15:1)

her fugitives flee

"the fugitives from Moab will flee". A fugitive is a person who runs away so that his enemy will not capture him.

Zoar...Eglath Shelishiyah...Luhith...Horonaim...Nimrim

These are names of cities and towns. (See: rc://en/ta/man/translate/translate-names)

over their destruction

"because their city is destroyed"

The abundance

"Everything"

brook of the poplars

This may refer to the river at the southern border of Moab.