Standpoint (6)
'standpoint' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for stance that I've seen before include "Golfer's position for making stroke" , "Enacts (anag)" , "Player's posture for making, say, golf stroke" , "Position or attitude taken" , "One's physical or mental attitude" .)
'standpoint' is the definition.
(I know that opinion is a type of standpoint)
This is all the clue.
(Other definitions for opinion that I've seen before include "A view held, what one thinks" , "Estimation" , "Conviction - point of view" , "Personal view" , "thinking" .)
'standpoint' is the definition.
(angle is a kind of standpoint)
This is the entire clue.
(Other definitions for angle that I've seen before include "Old English settler" , "Opinion" , "Heat (metal) and allow to cool to remove stresses" , "crook" , "Ancient German, fish" .)