"Your point is?" (3)
I believe the answer is:
and
'your point is?' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for and that I've seen before include "It's used to connect words, clauses or sentences" , "it needs wholly positive input for positive result" , "Together with" , "Joining word" , "See 20" .)