'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,

a form of any creeping thing on the ground -- a form of any fish which is in the waters under the earth;

Take heed to yourselves lest ye forget the covenant of Jehovah your God, which he made with you, and make yourselves a graven image, the form of anything which Jehovah thy God hath forbidden thee.

“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,

Thou shalt not make thyself any graven image, any form of what is in the heavens above, or what is in the earth beneath, or what is in the waters under the earth:

and hast seen in the captivity a woman of fair form, and hast delighted in her, and hast taken to thee for a wife,

"When you are encamped for battle against your enemies, be on guard against every form of impropriety.