Thin lines		appear easy to break or knock over
Thin lines		convey confusion and nervousness as they change direction quickly and frequently
Thin lines		are strong and rigid, like columns
Thick lines		are strong & bold
Thick lines		convey action & motion, tension and excitement
Thick lines		can appear to be either rising or falling
Horizontal lines		are fragile & delicate
Horizontal lines		suggest stability, especially when thicker
Horizontal lines		suggest frailty and convey an elegant quality
Vertical lines		appear difficult to break
Vertical lines		can be calm or dynamic depending on how they are drawn
Vertical lines		are connected lines with high energy, excitement & movement
Diagonal lines		can imply danger and destruction as they break down
Diagonal lines		are unbalanced, energetic & dramatic
Diagonal lines		can be perceived as handcrafted, warm, approachable
Curved lines		can be perceived as mechanical, cold, sterile
Curved lines		are softer, less definite and less predictable
Curved lines		are straight and even, but with slight variations
Zigzag lines		accentuate height and convey a lack of movement
Zigzag lines		suggest strength and make a statement
Zigzag lines		appear stable and secure
Artificial lines		sweep and turn gracefully to express fluid movement
Artificial lines		suggest calm and quiet, a relaxed comfort
Natural lines		are perfectly straight and even, with no irregularity
Natural lines		look like they’re lying down, at rest, asleep