'The son of a cow' signifies the celestial natural level and natural exterior good.

(Odkazy: Arcana Coelestia 2184 [1-7], 4244)

3013. The process of introduction is described in the internal sense as follows: When the state was reached in which all things had been rearranged by the Lord into a Divine celestial order so that Divine Truth might be joined to the Divine Good of His Rational - a re-arrangement achieved through the normal channel from the natural man, that is to say, from the facts, cognitions, and matters of doctrine in the natural man - truths were at that point summoned from there by means of the Lord's Divine influx, introduced into good in the rational, and made Divine. Thus the Rational was made Divine by the Lord as regards truth as well as regards good.