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7 I will declare [caphar] the decree: [choq] the LORD [Yahovah] hath said ['amar] unto me, Thou art my Son; [ben] this day [yowm] have I begotten [yalad] thee. KJV-Interlinear
7
"I will surely tell of the decree of the Lord: He said to Me, 'Thou art My Son, Today I have begotten Thee. NASB
Answers To Study Question(s)
Answer:
The decrees of God were determined in eternity past.
God was speaking to God.
The designation of the 'Son' was made in eternity past, wherein one member of the Trinity took on that title.