Who may take characters (or letters) from Alberta via Toronto? (7)
I believe the answer is:
aviator
'who may take characters' is the definition.
I can't judge whether this definition defines the answer.
'letters from alberta via toronto?' is the wordplay.
'letters from' indicates the answer is hidden within the clue (a selection of letters from the clue).
'AVIATOR' is hidden in the letters of 'alberta via toronto'.
'or' is the link.
Can you help me to learn more?
(Other definitions for aviator that I've seen before include "One flying aircraft" , "Woman in a flying machine" , "He travels up" , "Air pilot" , "Pilot; style of sunglasses" .)