Thread:Support/About MediaWiki:Exif-iimcategory-lab/br

Hi, the term labour has different meanings. Does anybody know more precisely what is it standing for in that thread (http://translatewiki.net/w/i.php?title=MediaWiki:Exif-iimcategory-lab/br&action=edit&loadgroup=core&loadtask=untranslated) ? Thanks.