The new governor has made a 'clean sweep' of the staff in the governor's mansion. [=the new governor completely replaced the former governor's staff]
He gave the floor/room a quick 'sweep'. [=he swept the floor/room quickly]
The election was a 'clean sweep' for local Democratic candidates.
(..) Number One, set a course for the Neutral Zone. - Bizet? - Berlioz. What do you have? We've finished our first sweep of the Neutral Zone. Fascinating. particles of dust per cubic metre. ultraviolet radiation spikes and a class-two comet. This is certainly worthy of our attention. (..)1996 Star Trek: First Contact