Assertion: ion's number | /r/CapableOf | see the image
Facets:
value: at right
type: LOCATION
Source sentences:
text: See also the image at right: the number of red arrows passing through a unit area is the flux density, the curve encircling the red arrows denotes the boundary of the surface, and the orientation of the arrows with respect to the surface denotes the sign of the inner product of the vector field with the surface normals.