Which techniques can help apply the proximity principal ina design

Take the tour on this website and describe three pieces in the art collection of the early cities. (site 1)

After first arriving in new york, charlie parker took a job as a dishwasher at jimmy's chicken shack, where played the piano nightly. listening to his astonishing harmonic restructuring, virtuoso phrasing, and breakneck tempos every night for three months, charlie parker challenged himself to adopt these qualities into his playing, and he continued to practice tirelessly.

What is john stewart mills basic criterion for whether an action is right or wrong?