Photo editing option (4)
(Other definitions for blur that I've seen before include "Obfuscate" , "Britpop band - indistinct vision" , "Hazy or indistinct image" , "Befog" , "Group - smudge" .)
'photo editing option' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for rotate that I've seen before include "Make to spin around" , "'Er, to a T? (anag)" , "Go around" , "Revolve" , "wheel" .)