Stretched out arm
A 'stretched out arm,' as in Exodus 6:6, signifies omnipotence or divine power, because 'an arm,' when stretched out in the heavens, represents power from the divine, but when not stretched out, but bended, it represents power in the general sense. This is why divine power is often shown in the Word as a stretched out arm or a strong hand.
(References: Arcana Coelestia 7205)
Ezekiel 26:19-20
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For thus says the Lord Yahweh: When I shall make you a desolate city, like the cities that are not inhabited; when I shall bring up the deep on you, and the great waters shall cover you;
20
then will I bring you down with those who descend into the pit, to the people of old time, and will make you to dwell in the lower parts of the earth, in the places that are desolate of old, with those who go down to the pit, that you be not inhabited; and I will set glory in the land of the living:
