An area where aerial photograph or a picture of the earth's surface taken with specialized mounted in an airplane

An area where a scale RADAR image of the earth's surface that has been corrected to remove geometric distortion caused by terrain

An area where a satellite image of the earth's  surface that has ben corrected to remove geometric distortions caused by terrain.

An area where a compilation of two or more individual photographs that provides a complete photograph of the area involved

An area where aerial photograph geometrically corrected (orthorectified) such that the scale is uniform: the photo has the same lack of distortion as a map.