The x-coordinate on the Bloch sphere.
The y-coordinate on the Bloch sphere.
The z-coordinate on the Bloch sphere.
The polar angle (theta) in radians.
The azimuthal angle (phi) in radians.
A textual description of the state's position (e.g., "North Pole").
Represents the coordinates and angles of a single qubit on the Bloch sphere.