Management installs second-hand desktop mini next to backdoor in station (14)
I believe the answer is:
administration
'management' is the definition.
(I know that administration is a type of management)
'installs second-hand desktop mini next to backdoor in station' is the wordplay.
I cannot really see how this works, but
'second' could be 's' (common abbreviation) and 's' is present in the answer.
'desktop' could be 'd' (the top letter of 'desk' - in a down clue) and 'd' is located in the answer.
'in' is within the answer.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for administration that I've seen before include "Running a business" , "government in power" .)