In a work of art, this is the main idea or focus of the work; the thing your eye sees first

Rhythm

Social Commentary

Emphasis

Scale

Emphasis

Explanation:

Emphasis is used in art to attract the viewer's attention to a particular area or object. This is typically the focal point or main subject of the artwork. For instance, in a portrait painting, the artist usually wants you to see the person's face first.

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.