Target (5-3)
(Other definitions for bulls-eye that I've seen before include "Centre of darts board" , "Sucker" , "Big, round, hard peppermint" , "The centre of the target, as in darts" , "Window - sweet" .)
'target' is the definition.
(goal can mean a target or aim)
This is all the clue.
(Other definitions for goal that I've seen before include "Soccer achievement" , "Objective or score" , "Objective, purpose" , "Aim - striker's target" , "Something to be achieved" .)
'target' is the definition.
(both can mean a goal or purpose)
This is the entire clue.
(Other definitions for aim that I've seen before include "Focus on target" , "Goal, objective" , "Goal, object" , "road?" , "mission" .)
'target' is the definition.
(synonyms)
This is all the clue.