The Language query subject includes the following:
Id—Unique identifier
Language—The name of the language used.
Language (default language)—The name of the language in your site’s default language.
ISO 639-1ALPHA2 CODE—Two-letter ISO code for language.
ISO 639-2 ALPHA3 CODE—Three-letter ISO code for language.
The Languages regular dimension has one hierarchy, which has two levels: Languages, and Languages (All).
