Crossword Genius

In generic ones, there's no symbol (4)

Ross

I believe the answer is:

icon

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

'no symbol' is the definition.
'icon' can be an answer for 'symbol' (I've seen this before). I am not certain of the 'no' bit.

'in generic ones there's' is the wordplay.
'in' indicates a hidden word.
'ICON' is hidden in the letters of 'generic ones theres'.

Can you help me to learn more?

(Other definitions for icon that I've seen before include "Idol" , "Image on computer screen representing facility" , "Symbol activated by mouse" , "Sacred image or picture" , "object of admiration" .)

I've seen this clue in the Sydney Morning Herald.
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