Laser cut agricultural music

After a long gap, another posting. Samples of laser cutting on wood and a laurel leaf. I have no idea what these esoteric symbols mean, but I call them agricultural music. Watching the laser beam is fascinating: apparently random jumping as it cuts, not a systematic start at one end of the image as I would have imagined. Then a wonderful bonfire smell when the cutting is complete. Hi-tech mixes with memories of my childhood garden.