Crossword Genius

Draw on nationalist symbol (5)

Ross

I believe the answer is:

token

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

'symbol' is the definition.
(I know that token is a type of symbol)

'draw on nationalist' is the wordplay.
'draw' becomes 'toke' (I can't justify this - if you can you should give a lot more credence to this answer).
'on' is a charade indicator (letters next to each other) (in a down clue, letters appear on others).
'nationalist' becomes 'n' (abbreviation in politics).
'toke'+'n'='TOKEN'

Can you help me to learn more?

(Other definitions for token that I've seen before include "Sign, symbol or an evidence" , "empty gesture?" , "Sign, maybe substitute for the real thing" , "Counter" , "without meaning it" .)

I've seen this clue in The Independent.
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