Main Street Meaning

(idiomatic, Canada, US) Collectively, everyday working-class people and small business owners, especially with regard to their concerns, social views, etc.

Example: The generic street name (and often the official name) of the primary retail street of a village, town, or small city in the United States, Canada, Ireland, some parts of Scotland and also in some countries in central Europe.
2011 January–February, Chrystia Freeland, “The rise of the new global elite”[1], The Atlantic, archived from the original on 20 December 2015:
  Thanks to a $700 billion TARP bailout and hundreds of billions of dollars in nearly free of charge loans by the Federal Reserve (a policy Soros himself told me was a "hidden gift" to the banks), Wall Street has surged back to pre-crisis levels of compensation even as Main Street continues to struggle.