'Form' in the Bible

Then the Lord spoke to you from the fire. You kept hearing the sound of the words, but didn’t see a form; there was only a voice.

“For your own good, be extremely careful—because you did not see any form on the day the Lord spoke to you out of the fire at Horeb—

not to act corruptly and make an idol for yourselves in the shape of any figure: a male or female form,

or the form of any beast on the earth, any winged creature that flies in the sky,

“When you have children and grandchildren and have been in the land a long time, and if you act corruptly, make an idol in the form of anything, and do what is evil in the sight of the Lord your God, provoking Him to anger,