Advantage (5)

'advantage' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for asset that I've seen before include "A useful thing l" , "Holding" , "Seats (anag.)" , "valuable sort" , "Anything considered valuable" .)
'advantage' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for avail that I've seen before include "Provide help; profit" , "Use to one's advantage" , "Serve a purpose" , "Be of value to" , "Be of help or advantage" .)
'advantage' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for benefit that I've seen before include "Good" , "Fringe - -" , "Something that aids" , "allowance" , "Fine bet (anag)" .)
'advantage' is the definition.
(having the edge is having an advantage)
This is all the clue.
(Other definitions for edge that I've seen before include "Steal" , "Border - advantage" , "Sharpness of mind" , "Rim,border" , "Sidle, lip" .)
'advantage' is the definition.
(both can mean a benefit or asset)
This is all the clue.
(Other definitions for boon that I've seen before include "A benefit, goes with blessing" , "Benefaction" , "Benefit and advantage" , "Gracious gift" , "Favour, request" .)
'advantage' is the definition.
(both can mean benefit)
This is all the clue.
(Other definitions for sake that I've seen before include "Japanese spirit made from rice" , "Japanese alcoholic drink make from rice" , "alcoholic drink out East" , "Jap. alcoholic drink from rice; for Pete's -" , "Benefit (for Pete?)" .)
'advantage' is the definition.
(a plus is an advantage or benefit)
This is all the clue.
(Other definitions for plus that I've seen before include "The opposite of minus" , "And also; a bonus" , "An advantage (colloq.)" , "Added extra" , "Additional" .)