I just think of a zero dimensial object as a ghost. Topological defect. The unpictured thing the contour lines are swirling around. It's influence is only felt

I just think of a zero dimensial object as a ghost. Topological defect. The unpictured thing the contour lines are swirling around. It's influence is only felt by seeing the effects on higher dimensional space, but you can never see the ghost itself.