the artist used many types of lines in this picture which type line is not pictured

To determine which type of line is not pictured in the picture, we first need to define the different types of lines commonly used in art. Here are some examples:

1. Horizontal Line: A line that runs parallel to the horizon, giving a sense of stability and calmness.
2. Vertical Line: A line that runs up and down, creating a feeling of strength and stability.
3. Diagonal Line: A slanted line that implies movement, action, or energy in a composition.
4. Curved Line: A smooth, curved line that suggests gracefulness or fluidity.
5. Zigzag Line: A line composed of a series of alternating diagonal lines, creating a sense of dynamic movement and excitement.
6. Dotted Line: A line made up of a series of small dots, often used to indicate a path or boundary.
7. Broken Line: A line that is intentionally interrupted or disconnected, used to create a sense of fragmentation or instability.
8. Spiral Line: A curved line that gradually opens outward or inward, symbolizing growth, progression, or flow.
9. Wavy Line: A line with gentle, rhythmic curves, often used to depict water, wind, or movement.

Now that we have a list of different line types, we can analyze the picture in question. Look carefully at the artwork and identify the lines present in the composition. Once you have identified the lines that are actually present, you can deduce which type of line is not pictured.

Remember, art is subjective, and different artists may use different styles and techniques. So, it is possible that the particular type of line not represented in the picture might be unique to the artist's interpretation or style.