The absolute ban on creating physical representations for idol worship is sweeping, covering every conceivable layer of reality. The command forbids the crafting of a shape or image of anything at all, extending from the skies above to the earth below, and down into the watery depths. Detailing these specific realms emphasizes that this rule applies universally. It bans the creation of any form intended for worship, whether it represents familiar creatures seen in the visible world or hints at massive, hidden entities lurking in the deep [ביאור שטיינזלץ].
When comparing this command to its earlier appearance in the book of Exodus, a subtle shift in phrasing stands out. Originally, the instruction was written with a connecting word between the concepts of a carved image and a likeness. Here, that connection is dropped, making the idea of a likeness a direct extension of the carved image [בעל הטורים, מנחת שי, רש ר הירש]. This omission is deeply intentional. By linking the concepts so directly, the command firmly and clearly rejects the creation of any type of form whatsoever. Such a strict warning was especially critical at this moment, as the Israelites were on the verge of entering a land filled with nations devoted to idol worship. Because of this looming threat, the absolute rejection of physical idols serves as the central and most vital theme in all of Moses's preliminary warnings to the people [רש ר הירש].