The engineer, and more generally the designer, is concerned with how things ought to be - how they ought to be in order to attain goals, and to function. ↗
When we did concerts, we wanted them to be theatrical events - collaborations with designers, choreographers, and directors - because we thought traditional rock concerts were boring. ↗
Providing, meaning to a mass of unrelated needs, ideas, words and pictures - it is the designer's job to select and fit this material together and make it interesting. ↗