A circa-2003 directory map shows the shopping center's original nine Neighborhood, east-to-west, configuration. 
Drawing from www.millscorp.com (website on Internet Archive Wayback Machine)

A directory map from 2006 shows the post-2005 Neighborhood reorganization. Five mall districts now progress from west-to-east. The Neighborhood 1 section of the mall was eventually renamed "Fashion District At Potomac Mills."
Drawing from www.millscorp.com (website on Internet Archive Wayback Machine)