The drawing technique of using dots instead of lines called stippling. Using lines instead of dots on the other hand is called hatching. Stippling involves placing individual dots across a surface in a pattern that will be identifiable. Individual dots are used to imply the shape, texture, or shadowing of a subject.
<span>Decorative patterns should be selected to harmonize with structural patterns.
Structural pattern is the main pattern that eases the design. If we wanted to add a decorative pattern into it, we have to make sure that the decorative pattern and the structural pattern enhance one another and not making both of those patterns become redundant</span>