1. are lines that bend and change direction gradually. They can be simply wavy or spiral. Such lines convey the feelings of comfort and ease, as well as sensual quality as they remind us of the human body.
2. are series of diagonal tines joined at ends. They can convey action and excitement, as well as restlessness and anciety.
3. are straight lines that slant in any direction except horizontal or vertical. When in use, they suggest movement or lack of stability,
4. are straight lines parallel to the horizon that move from left to right. They suggest width, distance, calmness, and stability, 5. are straight up and down lines that are moving in space without any slant and are perpendicular to horizontal lines. They suggest height and strength because they extend towards the sky and seem unshakeable.​