There is a danger in trying to explain “pancakkhandha” in terms of “things” in the external world.
- Think about this: “Rupa” in rupakkhandha does not refer to “external objects made of atoms and molecules.” Of course, they arise due to things in the external world.
- “Rupa” in rupakkhandha refers to “mental impressions of external rupa.”
- Also, “rupa” in the external world can be solid objects (which we can see) and also sounds, smells, tastes, and touches. See “Difference Between Physical Rūpa and Rūpakkhandha.”