الْخَيَالُ
Retention of a perceptual form after the sensible object is no longer present.
After seeing a familiar face, one may recall its appearance when the person has left. The classical classification associates such retention with imagination.
The survival of a mental image is not the survival of the external object before our senses. Remembering a past scene does not show that it is still occurring.
An image may support understanding or recollection, but claims about an external situation require suitable independent evidence.