It is supposed to be the nearest 'centre of habitation' for a local village, district, suburb etc.

Grey bordered symbols are those not on your route. If they are on route they get a red border - or so mine seems to show.

Wait til you see the wide load one!! That's pretty odd.

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Me:
Current: 2011 E71 40D Vermilion Red/Beige Nappa

Wifey:
Current: 2012 R80 Countryman SDX Green/Cream