en_tn/isa/45/04.md

General Information:

Yahweh continues speaking to Cyrus.

Jacob ... Israel

These both refer to the descendants of Israel. (See: rc://en/ta/man/translate/figs-doublet and rc://en/ta/man/translate/figs-metonymy)

I will arm you for battle

Possible meanings are 1) "I will strengthen you for battle" or 2) "I will equip you for battle."

from the rising of the sun, and from the west

Since the sun rises in the east, this phrase forms a merism and means everywhere on earth. AT: "from every place on earth" (See: rc://en/ta/man/translate/figs-merism)