Clue (3)
'clue' is the definition.
(I know that clue can be written as hint)
This is all the clue.
(Other definitions for hint that I've seen before include "Thin sort of slight indication" , "Indicate indirectly" , "Tip-off" , "Tip, clue" , "Small trace; clue" .)
'clue' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for tip that I've seen before include "Reward service; end" , "Gratuity or light touch" , "Lean over" , "The rubbish dump" , "Gratuity; hint" .)
'clue' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for pointer that I've seen before include "helpful tip!" , "something moved by mouse" , "stick used for instruction?" , "under control of mouse" , "Indicator" .)