<span>Installment plans helped the American economy to grow during the 1920’s. As more modern appliances were being produced, installment plans helped people who were not rich to be able to purchase these items. Because the middle class was able to purchase these items, demand was high which created more jobs for people in factories and more opportunities for companies to grow.</span>
I believe the term refers to architectural styles which draw inspiration and influence from forms seen in nature. Or, architecture that is built to blend seamlessly into natural settings like cliffsides or forested areas.