Crossword Genius

The kind to work as a key operative (4)

Ross

I believe the answer is:

type

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'the kind' is the definition.
(type is a kind of kind)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for type that I've seen before include "Sort, kind" , "Write using a keyboard" , "Print form" , "Use a keyboard; sort" , "Mark" .)

I've seen this clue in The Globe and Mail.
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