Crossword Genius

Concerned about piggies maybe cutting tongue back on truffle hunt? (7)

Ross

I believe the answer is:

digital

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'concerned' is the definition.
Although both the answer and definition are adjectives, I don't see how one could define the other.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for digital that I've seen before include "finger" , "form of technology" , "Of watch, showing time in numbers" , "Of fingers or arithmetical figures" , "Showing data in numbers" .)

I've seen this clue in The Telegraph.
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