* Macroscopic: This term refers to systems that are large enough to be seen and studied with the naked eye.

* Atomic: This term refers to systems that involve individual atoms and their interactions.

A car and ramp system is clearly visible and involves objects like cars, ramps, and gravity, which are all macroscopic phenomena. We don't need to consider the behavior of individual atoms within the car, ramp, or the Earth to understand how the system works.

In contrast, an example of an atomic system would be the study of the movement of electrons within a single atom, or the interactions between molecules. These are systems that are too small to be seen without powerful microscopes and involve the fundamental building blocks of matter.