• Line is the result of a point moving in space or over a surface.
• Line can be defined as the contour – or outside boundary – of a shape.
• Line has two dimensions and its most important property is direction.
• Line has five physical properties, including its:

1. Measure – the length and/or width
2. Type – straight, curvy, zig-zag, etc. (discussed in more detail below)
3. Direction – where does the line take your eyes when you look at it?  How does the line make you feel (mood of the line)?
4. Location – identifies balance or unbalance
5. Character – what was used to create the line?

• Line has expression and purpose.
• Line is the product of weight and energy.
• Lines spaced at intervals establish:

1. Surfaces – expression – proportion
2. Contours of form – size relationship
3. Eye movement and direction
4. Rhythm and unity – boundaries of flat surfaces

Types of Lines

• Horizontal Lines – widen a composition, they also express quietness, peace and relaxation.
• Vertical Lines – express stiffness, strength, power at rest
• Oblique / Diagonal or Zig-Zag – express action, drama, anger, uneasiness or excitement.
• Curvy Lines – leads the viewer’s eye around the composition, express a feeling of grace, flow or playful movement.
• Wavy Lines – express graceful, gentle movement.
• Spiral Lines – express nervousness, confusion.  They may make us feel edgy.

Some are:

• thick, fat and bold
• thin, soft and delicate
• hesitant and unsure
• fast, exciting
• wandering, meandering
• stumble and fall