In mathematics, is a point a sphere or some other shape? Does a point have a shape?
In physics is there any difference?
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Define a point as an address in space. Hence a point is of zero width because any continuous region with size greater than zero is defined as a set of multiple points to meet the definition of continuity. This allows a point to distinguish a location from any other regardless of how closely it is inspected. A quoted definition reads "...[points] do not have volume, area, length..."