Crossword Genius

As information, it has its good points (3)

Ross

I believe the answer is:

gen

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

'as information it has its' is the definition.
I can't tell whether this defines the answer.

'good points' is the wordplay.
'good' becomes 'g' (abbreviation).
'points' becomes 'en' (compass points east and north).
'g'+'en'='GEN'

Can you help me to learn more?

(Other definitions for gen that I've seen before include "Information yielded" , "Lowdown (sl.)" , "Knowledge" , "Information (colloq.)" , "Informal information" .)

I've seen this clue in the Evening Standard.
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