How to send back the clock? (5)
I believe the answer is:
remit
'how to send' is the definition.
I can't tell whether this defines the answer.
'back the clock?' is the wordplay.
'back' shows that the letters should be reversed in order.
'the clock?' becomes 'timer' (something which times).
'timer' backwards is 'REMIT'.
Can you help me to learn more?
(Other definitions for remit that I've seen before include "Desist from" , "Scope of prescribed job" , "Put off" , "Pay; mail" , "Area(s) of responsibility or to be dealt with" .)