
geometrical:object,

curved:object,

simple:object,

regular:curve,

basic:shape,

simple:shape,

simple:curve,

geometrical:entity,

common:curve,

smooth:curve,

geometric:shape,

closed:form,

geometric:object,

geometrical:figure,

planar:curve,

curved:line,

geometrical:shape,

graphic:form,

linear:form,
Category Nuances for circular_arc:

closed,

graphic,

curved,

geometrical,

geometric,

regular,

smooth,

common,

simple,

planar,

linear,

basic,
Simple Categories for circular_arc: