Comparison :
noun as in contrasting; corresponding
Strongest matches
analogy, connection, contrast, correlation, example, identification, juxtaposition, observation, ratio, relation, resemblance, similarity, testing.
Strong matches
allegory, association, balancing, collation, comparability, discrimination, estimation, exemplification, illustration, likeness, likening, measuring, metaphor, opposition, segregation, separation, weighing.
Weak matches
analogizing, analyzing, bringing, together, collating, distinguishing, dividing, paralleling , relating.
So many definitions and so many interpretations.
Quite interesting the way people see images, each of us is different and some will probably find it hard to distinguish the real image vs the digital one, some others, with "trained eyes" will spot it straight away.
The meaning to me, no matter what, is giving the impression and the right emotion to an image.
This is Freedom of interpretation. Use it to your advantage to create something truly unique, hat defines you.