וַיֵּ֤רֶד יְהוָה֙ בֶּֽעָנָ֔ן וַיִּתְיַצֵּ֥ב עִמּ֖וֹ שָׁ֑ם וַיִּקְרָ֥א בְשֵׁ֖ם יְהוָֽה׃
And the LORD descended in the cloud, and stood with him there, and proclaimed the name of the LORD.
Rashi on Exodus
ויקרא בשם ה׳ AND HE CALLED BY NAME, O LORD — We render this in the Targum by, 'ויקרא בשמא דה and he (Moses) called on the name of the Lord.
Ramban on Exodus
AND HE STOOD WITH HIM THERE. That is, the Eternal stood — something like it is said, And the Eternal came, and stood503I Samuel 3:10. — with Moses, meaning, that Moses entered into the cloud as he had done at first.504Above, 24:18: And Moses entered into the midst of the cloud.
Sforno on Exodus
ויתיצב עמו שם. Moses stood there close to G’d, as he had been commanded in verse 2.