Meaning: Air currents carried fallen leaves along the road.
Choice of Words: Wind: air in motion; blew: carried along; leaves: foliage from trees; across: from one side to the other; street: paved pathway.
Meaning: This means that the wind used force to move the leaves from one side of the street to the other side.
Choice of Words: Pushed means to use force to move something. Over means from one side to the other.
Meaning: This means that a strong burst of wind moved the leaves quickly and smoothly from one side of the road to the other side.
Choice of Words: Gust means a strong burst of wind. Swept means to move something quickly and smoothly.