In addition to your Community Practice Notebook and actually walking through the neighborhood/community, these are a few online tools that can enhance your experience and understand the area, and the neighborhoods that you are familiar with in your own life.
The Standard Industrial Classification (SIC) and North American Industry Classification System (NAICS) are classification systems that the United States government created in order to group similar companies together for the purpose of analyzing data. They'll be helpful as you use SimplyAnalytics.