Data type: Text.

Natural languages such as Spanish, Tamil, Hindi, English, etc. Formal language code tags expressed in [BCP 47](https://en.wikipedia.org/wiki/IETF_language_tag) can be used via the [alternateName](http://schema.org/alternateName) property. The Language type previously also covered programming languages such as Scheme and Lisp, which are now best represented using [ComputerLanguage](http://schema.org/ComputerLanguage).