Meaning: This sentence portrays the leaves as graceful dancers, swaying and moving to the rhythm created by the wind.
Choice of Words: Leaves are the flat, green parts of trees. They move and shake in the wind. "Dance" means to move rhythmically to music or in a pattern. "Rhythm" is the pattern of sounds or movements. By saying "leaves dance in rhythm of wind", we describe the leaves moving and shaking in a graceful and rhythmic way because of the wind.