Meaning per category - B
These signs regulate priority.

B-1
Priority road.
Drivers driving on this road must be given way by drivers driving on side roads. Inside the built-up area, this sign is placed just before an intersection. Outside the built-up area, this sign is placed just after the intersection.

B-2
End priority road.
After this sign the normal priority rules apply again, and drivers must give way to drivers from the right.

B-3
Priority intersection.
Drivers on the side roads must give way to drivers driving on this road.

B-4
Priority intersection, side road to the left.
Drivers on the side road must give way to drivers on this road.

B-5
Priority intersection, side road to the right.
Drivers on the side road must give way to drivers on this road.
These priority signs only apply to drivers, not to pedestrians. That means that pedestrians do not have priority over drivers.

B-6
Give way to drivers on the intersecting road.
You are approaching a priority road or a priority intersection where you must give way.

B-7
Stop. Give way to drivers on the intersecting road.
This sign has almost the same meaning as sign B-6, however you are required to stop here.
At these priority signs you only have to give way to drivers. Pedestrians from the left or right do not have right of way.