Gist (4)
'gist' is the definition.
(synonyms)
This is all the clue.
(Other definitions for nub that I've seen before include "Core, pith or gist" , "Crux, central point" , "Metal piece" , "Crux, gist" , "Central core of bun" .)
(Other definitions for idea that I've seen before include "Plan" , "Plato's Form is" , "Thought or notion (4)" , "Product of the mind" , "Creative spark" .)
'gist' is the definition.
(I know that gist can be written as pith)
This is the entire clue.
(Other definitions for pith that I've seen before include "Spongy tissue lining rinds of oranges, or the essential part" , "The white part of the orange" , "Citrus rind lining" , "hats may be made of this" , "Tissue inside the rind of citrus fruits" .)
'gist' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for meaning that I've seen before include "Gist" , "Significance" , "Definition (of 7 21?)" , "Import; purpose" , "Sense intended" .)