Media boss has condition on ice being in the building (7)

I believe the answer is:

edifice

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'being in the building' is the definition.
'edifice' can be an answer for 'building' (synonyms). I am not sure about the 'being in the' bit.

'media boss has condition on ice' is the wordplay.
'media boss' becomes 'ed' (short for editor).
'has' means one lot of letters go next to another.
'condition' becomes 'if' (I've seen this in other clues).
'on' is a charade indicator (letters next to each other).
'ed'+'if'+'ice'='EDIFICE'

Can you help me to learn more?

(Other definitions for edifice that I've seen before include "'Large, imposing building (7)'" , "Monument" , "impressive pile!" , "Fine building" , "Permanent building" .)

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

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