Son = Offspring / Creation
Of = Possesion or signifies Possesion
God = Father
The Word is the only begotten offspring / creation and possession of The Father.
All in alignment with scripture since The Father is The Possessor / Lord of Heaven and Earth. "this gives me goosebumps
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Gen 14:22 And Abram said to the king of Sodom, I have lift up mine hand unto the LORD, the most high God, the possessor of heaven and earth,
Mat 11:25 At that time Jesus answered and said, I thank thee, O Father, Lord of heaven and earth, because thou hast hid these things from the wise and prudent, and hast revealed them unto babes.
Act 17:24 God that made the world and all things therein, seeing that he is Lord of heaven and earth, dwelleth not in temples made with hands;
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David himself showed that The Lord of Heaven and Earth has higher authority than our lord in the book of Psalms "read between the lines"
Luk 20:42 And David himself saith in the book of Psalms, The LORD said unto my Lord, Sit thou on my right hand,