Motionless figure standing overlooking centre of Paris (6)
I believe the answer is:
statue
'motionless figure' is the definition.
I don't understand the remainder of the clue.
(Other definitions for statue that I've seen before include "A carved or moulded effigy" , "Carved or cast figure" , "Three-dimensional work of art" , "Three-dimensional representation" , "Carved representation" .)