Venetian craft could become a top voter (9)

I believe the answer is:

vaporetto

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

'venetian craft' is the definition.
'vaporetto' can be an answer for 'craft' (boat in Venice). I'm not sure about the 'venetian' bit.

'become a top voter' is the wordplay.
'become' is an anagram indicator.
'a'+'top'+'voter'='atopvoter'
'atopvoter' with letters rearranged gives 'VAPORETTO'.

'could' acts as a link.

Can you help me to learn more?

(Other definitions for vaporetto that I've seen before include "Venetian canal boat" , "Steamboat in Venice" , "passenger boat" .)

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

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