Assertion: ellipse | /r/DefinedAs | a set or locus of points
Facets:
value: on a plane
type: LOCATION
value: geometrically
type: MANNER
Source sentences:
text: An ellipse can be defined geometrically as a set or locus of points in the Euclidean plane:
text: The ellipse is defined as the set or locus of all points on a plane the sum of whose distances from two fixed points called Focus is constant.