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Zigzag
Avoid Straight Lines
Use 'zigzag' when describing paths or patterns that are not straight; it implies constant change in direction. 
Visual Imagery
'Zigzag' often creates a vivid picture in the reader's or listener's mind of something moving unpredictably. 
Dynamic Action
Describing movement as 'zigzag' suggests agility and quick, sharp turns, often used in chase scenes. 