Goes down (4)
'goes down' is the definition.
('descend' can be a synonym of 'go down')
This is all the clue.
(Other definitions for descends that I've seen before include "Goes down" , "Moves downwards" .)
'goes down' is the definition.
(setting is a kind of going down)
This is the entire clue.
(Other definitions for sets that I've seen before include "Classes" , "Places" , "Major divisions of tennis match" , "Solidifies" , "Scenery etc. of 11 across productions" .)