A interference pattern or perceived (imaginary) interference pattern of photons that excite regions within the brain that appeal to the sense of sight.

Other definitions:

  1. Of or relating to the sense of sight: a visual organ; visual receptors on the retina.
  2. Seen or able to be seen by the eye; visible: a visual presentation.
  3. Done, maintained, or executed by sight only: visual navigation.
  4. Having the nature of or producing an image in the mind: a visual memory of the scene.

Also used to describe materials used in promotion or for illustration or narration. Often used in the plural: an ad campaign with striking visuals; trying to capture a poem in a cinematic visual.