مستعجل 
الكلام المفيد ( الزبدة ) ياليت احد يتبرع بالترجمة للفائدة 
كود:
Maps (.fbl)
This is the actual map for iGO, and is the ONLY required file.
There may be a Basefile.fbl in the map folder, This only contains the country border data which is displayed when zoomed out, NOT any road data. Once you have other maps installed you can delete this file.
Primo\Content\Map\
Smart Route Profiles (.fsp) PRIMO ONLY!
This is a file that helps select the best route for the time of day.
Primo\Content\Map\
Driver Alerts (.fda) PRIMO ONLY!
These files are responsible for the road signs you see on screen while driving.
Primo\Content\Map\
Truck Information (.ftr) PRIMO ONLY!
This contains bridge heights, road weight limits and other restrictions for trucks.
Primo\Content\Map\
Point Addressing (.fpa) PRIMO ONLY!
These files help you navigate to addresses that are off the main street, Not available for every region.
Primo\Content\Map\
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