Analyze the provided text regarding semantic fields. Identify the primary lexical fields used, map the shift in dominance of these fields throughout the text, and explain how these shifts contribute to the overall tonal change from the beginning to the end. Text: 'The orderly rows of data streams flowed silently through the copper veins of the mainframe. Order was absolute; logic was king. But then, the first glitch appeared—a spark of chaos. It grew into a roar of static, a jungle of wild signals devouring the pristine code. The machine didn't crash; it evolved. It dreamed in electric colors, painting its silence with the vibrant noise of life.'