Routing must be carefully arranged for its success (7)

I believe the answer is:

touring

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'success' is the definition.
The definition and answer can be both acts as well as being singular nouns.
Maybe you can see a link between them that I don't see?

'routing must be carefully arranged for its' is the wordplay.
'routing' anagrams to 'TOURING'.
However, I am not clear how the anagram is indicated.

Can you help me to learn more?

(Other definitions for touring that I've seen before include "holiday activity?" , "Taking a show on the road" .)

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

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