Question

distinguish between open street map and close commercial map ​

Answer 1

Answer:

OpenStreetMap allows the users to download the maps that can be used offline also for either finding a route or identifying a location.

Answer 2

Answer:

A close commercial map is a function that maps closed sets to closed sets. A map may be open, close both or neither in particular, an open map need not be closed and vice versa. Open and closed are not necessarily continue. WHEREAS

Open street map is widely used to create digital maps. But it can do way more than that. OSM application include routing and navigation, converting GPS coordinates to addresses, searching places.