To "sweep" usually means to remove dirt by making broad, quick movements with a broom or brush. "Swept" is the past tense of "sweep." These words are also used figuratively.
* For example, Isaiah prophesied that the Assyrians would "sweep through" the Kingdom of Judah. This means they would destroy Judah and capture its people.
* The term "sweep" can also be used to describe the manner in which rapidly flowing water pushes things and forces them away.