"Language queries" refers to questions or requests for information related to languages. It could involve asking about the definition, translation, grammar, or any other aspect of a particular language. Full definition
New search technologies, such as those inviting «natural language queries», go beyond that, and make decisions about the meaning of the query. (slaw.ca)
That said, you won't be able to tap Cortana's smarts to perform natural language queries like «Find pictures from June» either, so narrowing down file search results may take a bit more work. (pcworld.com)
While it resembles a search engine, it is actually a website that computes answers to natural - language queries based on a large collection of algorithms and curated data. (lawsitesblog.com)