The first row in the list in Language Management tab always contain NSP Standard Language. This language is defined when NSP is installed and could not be changed. It is the master language in all translations and when you create custom items (e g Types and Properties) in the system. This means that a new User Defined item always is created in NSP Standard Language in database and you have to use features in Translation Management) or xml files (Import/Export Language files) to translate the new item to other languages. The NSP Standard Language could not be inactivated or deleted.
Note: New items are created in NSP Standard Language even if you have other language selected in User Profile when you create the new items.
When you select Edit for an item texts are saved in currently selected language in the User Profile.