Calling (6)
'calling' is the definition.
('name' can be a synonym of 'call')
This is all the clue.
(Other definitions for naming that I've seen before include "Titling" , "Identifying; mentioning" , "Allotting term to" , "Christening" , "Conferring appellation on" .)
'calling' is the definition.
(a vocation is a calling)
This is the entire clue.
(Other definitions for vocation that I've seen before include "Calling, occupation" , "Trade, profession" , "Religious calling" , "Occupation, profession" , "Calling in life" .)
'calling' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for niche that I've seen before include "Calling" , "Position well suited to the occupier" , "somewhere comfortable" , "good spot!" , "Particularly suitable position" .)