Exodus 19:11
“…let them be ready for the third day. For on the third day YHWH will come down upon Mount Sinai in the sight of all the people.”
This is when The Sower would go out to sow His Seed.

The Seed is The Word of Yah (Luke 8:11), which is The Son (Galatians 3:16; John 1:14), which is the Gospel (Hebrews 4:2).

The Word is Yah’s Law: Hebrews 4:2 → Exodus 19:5,6,8
Exodus 20 is the Voice of YHWH: {{{The Word}}} before coming in the flesh. (Isaiah 9:6; Luke 2:11)

What exactly was spoken?
Please read Deuteronomy 4:11-13 along with Deuteronomy 5:22

THE COVENANT : * Isaiah *42:6, *49:8

The {{{THE Word}}} made Flesh: John 1:14 → *Psalms 25:14