The set of all points that share a property.

This usually results in a curve or surface.

Example: A Circle is "the locus of points on a plane that are a certain distance from a central point".

As shown below, just a few points start to look like a circle, but when we collect ALL the points we will actually

This usually results in a curve or surface.

Example: A Circle is "the locus of points on a plane that are a certain distance from a central point".

As shown below, just a few points start to look like a circle, but when we collect ALL the points we will actually

**have**a circle.
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