'Form' in the Bible
Yahweh spoke to you out of the midst of the fire: you heard the voice of words, but you saw no form; only [you heard] a voice.
Take therefore good heed to yourselves; for you saw no kind of form on the day that Yahweh spoke to you in Horeb out of the midst of the fire.
Lest you corrupt yourselves, and make yourself an engraved image in the form of any figure, the likeness of male or female,
Take heed to yourselves, lest you forget the covenant of Yahweh your God, which he made with you, and make you an engraved image in the form of anything which Yahweh your God has forbidden you.
When you shall father children, and children's children, and you shall have been long in the land, and shall corrupt yourselves, and make an engraved image in the form of anything, and shall do that which is evil in the sight of Yahweh your God, to provoke him to anger;