complex stitches made up of smaller parts. Try sewing a decorative stitch withe the zigzag machine, then further embellishing with hand embroidery. I may have to try this some daywhen I get really adventurous-hope I can learn to do these stitches.
detailed instructions for embroidery stitches - rocksea & sarah embroidery - site is not in English but there are arrows to the right and left of the image that allow you to scroll through many more excellent tutorials
The image above presents a variety of different stitches that could be intergrated into many different embroidery designs. I especially liked the Russian chain stitch as it reflects my concept becoming symbolic of radiation signs.