Analysis of Ballerina Fable

The prima ballerina was massive by the pound.
Her graceful agility could spectators astound.
She would defy gravity by flitting all around.

One day in a pirouette she screwed into the ground.
With a spinning rotation she became spiral-bound.
Even with excavation she never could be found.

For the casual reader it's certain to confound.
Probable reemergence must wait till she's unwound.
Cenotaphs to her last dance are imaged on a mound.

The ballerina fable forever will abound.
The myth of her departure historians expound.
To some it's superficial to others it's profound.