Lines serve as dividers between sections, visual connectors between related elements, decorative borders, underline treatments for typography, and animated paths that guide the eye. They create structure and rhythm with minimal visual weight.
Line-based design often feels precise, architectural, and refined. Thin hairlines suggest elegance, thick strokes convey boldness, and hand-drawn lines add warmth. The style creates a sense of considered structure while keeping the layout feeling open and breathable.