Computer symbol (6)
'computer symbol' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for icon that I've seen before include "On-screen image" , "Cultural or computing symbol" , "A good figure" , "Representative symbol, may be on computer screen" , "Image of a religious figure" .)
(Other definitions for cursor that I've seen before include "Device indicating position on computer screen" , "Location indicator on a screen" , "that may appear on computer screen" , "Feature of computer" , "blinking computer guide!" .)