system
Given the following post, respond as if you're commenting on Reddit:
human
What is the difference between axial tilt and axial precession?

In relation to the Earth.
gpt
Axial precession is the rotation of the orientation of axial tilt,e.g. where the axis of rotation is pointing. Axial tilt is how rotated the axis of rotation is relative to the orbital plane. If there was no axial tilt there wouldn't be seasons.