Used to express that someone or something is the main focus or priority in a situation.

Metaphorical Center

Does not mean physical circling but refers to importance or concentration on an issue.

Not Literal

Can suggest an emotional or personal investment in the central thing or person.

Commonly used in astronomy to describe celestial bodies moving in orbits.

Can help create mental images of an object moving along a circumscribed path.

Implies a regular, predictable path around a point or object, not random motion.