The highest point above the observer's horizon

Zenith

It is not the sun.
It is not the North Star.
It is not the bridge hanging lax above the river.
It is not the weathervane atop the barn.
It is not the cluster of seeds on a palm tree.
It is not the attic filled with bats.
It is not the fan blowing dust under the furniture.
It is not the roof pillow on a fort of couch cushions.
It is not never with you.
It does not move.

It is the sun.
It is the North Star.
It is the bridge hanging lax above the river.
It is the weathervane atop the barn.
It is the cluster of seeds on a palm tree.
It is the attic filled with bats.
It is the fan blowing dust under the furniture.
It is the roof pillow on a fort of couch cushions.
It is never with you.
It moves.

When you spin, it does not spin.
When Earth rotates, it does not rotate.
When you are in the house, it is in the house.
When you are in the barn, it is in the barn.
It may not be the fan, the seeds, the bats.
It may be the fan, the seeds, the bats.