What are Content-Language and Accept-Language?

Question

I have seen the HTTP headers of Content-Language and Accept-Language, could someone explain what these are for and the difference between them? I h

Answer 1

The Content-Language entity-header field describes the natural language(s) of the intended audience for the enclosed entity. Note that this might not be equivalent to all the languages used within the entity-body.

The Accept-Language request-header field restricts the set of natural languages that are preferred as a response to the request

http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html