Tight intersection reveals it (5)

I believe the answer is:

terse

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

'tight intersection reveals it' is the definition.
I can't tell whether this definition defines the answer.

'tight intersection reveals' is the wordplay.
'reveals' says the answer is hidden in the clue.
'TERSE' can be found hidden inside 'tight intersection'.

Can you help me to learn more?

(Other definitions for terse that I've seen before include "precise" , "Reset to be pithy" , "Concise about trees" , "Trees (anag.)" , "Curtly brief" .)

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

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