[Tagging] post_box:type values, meter in particular

[Holger Mappt]

Hi,

The post_box:type Wiki page [1] was created two months ago and the key 
was added to the JOSM preset recently [2]. That means that the values 
show up in Launchpad for translation. The "meter" type in particular is 
hard to translate as it is not clear for non-UK citizens like me what 
that type refers to. The Wiki page states that post_box:type is about 
the physical style (size/shape) of the post box, but "meter" refers to 
the type of mail the post box is intended for. What would be the value 
if there is a pillar box for meter mail in some country? Any ideas how 
this can be improved? There is no word for "meter" in my language and 
the translation would be either incomprehensible or too long.

Holger

[1] https://wiki.openstreetmap.org/wiki/Key:post_box:type
[2] https://josm.openstreetmap.de/ticket/11933