What is Diwali, the Festival of Lights, and how is it celebrated?

https://www.usatoday.com/story/news/nation/2017/10/19/what-diwali-festival-lights-and-how-celebrated/779643001/

Above image created by Paulette Le Pore Motzko,

Copyright November 2018.

Compiled by Paulette L. Motzko.

Images below from Pinterest from various anonymous sources.