Crossword Genius

Hustler's confession displayed on computer (4)

Ross

I believe the answer is:

icon

I'm a little stuck... Click here to teach me more about this clue!

'computer' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'hustler's confession displayed on' is the wordplay.
I cannot really understand how this works, but
'on' is within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for icon that I've seen before include "Religious work" , "Representative symbol, may be on computer screen" , "found on computer screen" , "Example of symbolism" , "Revered person or symbol" .)

I've seen this clue in The Guardian.
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