Call about direction, man (3)

I believe the answer is:

leo

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'man' is the definition.
(I've seen this before)

'call about direction' is the wordplay.
'call' becomes 'eo' (I can't explain this - if you can you should believe this answer much more).
'about' says to put letters next to each other.
'direction' becomes 'L' (short for left).
'eo' put after 'l' is 'LEO'.

Can you help me to learn more?

(Other definitions for leo that I've seen before include "Zodiacal lion" , "Star sign of one born on August 1" , "Horoscope sign" , "Pope" , "MGM's lion" .)

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

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