Point made by little Dorothy (3)
I believe the answer is:
dot
This clue is a triple definition!
'point' is the first definition.
(synonyms)
'made by' is a link.
'little' is the second definition.
(thesaurus)
'dorothy' is the third definition.
(nickname for someone called Dorothy)
(Other definitions for dot that I've seen before include "Cotton, say" , "Spot, speck" , "Long-ago year?" , "Marriage portion; spot" , "Shorter of the two signals used in Morse code" .)