Politician's assistant in MIT with alums at centre reviewed mixed forms of communication (10)
I believe the answer is:
multimedia
'communication' is the definition.
(multimedia is a kind of communication)
'politician's assistant in mit with alums at centre reviewed mixed forms' is the wordplay.
I cannot really see how this works, but
an anagram of 'mit' is 'tim' which is present in the answer.
This explanation may well be incorrect...
'of' is the link.
Can you help me to learn more?
(Other definitions for multimedia that I've seen before include "several channels" , "Mail tedium (anag.)" , "Way of presenting data" , "Using several means of communication" .)