[OSM-talk-be] Beginner question: how to start?

[Chris Van Bael]

Ok,
I'm not new on this list, but the more I read here, the more I'm afraid I
will break something when I want to add stuff.

A few years ago I added some streets through GPS coordinates.
Most of that work is finished, now it seems to be more about drawing
houses, coupling them to the street, etc.
I have absolutely no idea on how to add these things.

A very simple example, in Oud-Turnhout:
http://tools.geofabrik.de/osmi/?view=addresses&lon=4.98181&lat=51.33488&zoom=17&overlays=buildings,buildings_with_addresses,postal_code,nodes_with_addresses_defined,nodes_with_addresses_interpolated,no_addr_street,street_not_found,interpolation,interpolation_errors,connection_lines,nearest_points,nearest_roads
You see that most houses are drawn (they are brown), but not all 'shacks'
in the backyard are.
How do I make in the easiest way the connection to the street?  (the green
lines)
How do I fill in the missing part of the green line / street?
What is the difference between the street displayed on the map and the
green street name?  Which benefits does the green line bring to navigation
devices or whatever?

Going further, in Turnhout, the Begijnhof is nicely added, the streets
surrounding it, not:
http://tools.geofabrik.de/osmi/?view=addresses&lon=4.94589&lat=51.32634&zoom=17&overlays=buildings,buildings_with_addresses,postal_code,nodes_with_addresses_defined,nodes_with_addresses_interpolated,no_addr_street,street_not_found,interpolation,interpolation_errors,connection_lines,nearest_points,nearest_roads

So my questions here:
- some buildings are grey, not brown, what do I have to do to make them
brown?
- Again, what are the benefits?

And for both these areas: what other things are still missing?
What is the priority in adding stuff?

Kind regards,

Chris
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