It strikes in the skies among the clouds as if it was an flying dragon. I'm sure many of you have heard that light is faster than sound, and this law applies to lightning as well. This is the reason why after seeing lightning with your eyes as light, you hear thunder from your ears as sound.
Now what is lightning? Google defines it "he occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground or within a cloud, accompanied by a bright flash and typically also thunder." Now thats undeniably true. It can also mean very quick as you in you do something very fast.