Carries out (8)
'carries out' is the definition.
('execute' can be a synonym of 'carry out')
This is the entire clue.
(Other definitions for executes that I've seen before include "Carries out or inflicts capital punishment" , "Carries out something" , "Does away with" , "Carries out and puts to death" , "Carries out and legally kills" .)
'carries out' is the definition.
(performing is a kind of carrying out)
This is the entire clue.
(Other definitions for performs that I've seen before include "Carries out, acts" , "Carries out, accomplishes" , "Carries into effect or functions" , "Acts or executes" , "Acts as in play" .)