Media framing is the angle or perspective from which a news story is told. While news is often thought to be objective and value free this is rarely if ever the case. In fact most news stories are value laden in both their production and content. News is not an exact representation of reality but rather a reconstruction from various angles of a small section of reality. This is not to say journalists necessarily lie or consciously distort the truth, but that journalists by covering particular stories, using particular sources from a particular news angle are constructing reality through a selective process.
As an example, in the below photo you can see three different angles, it depends on the publisher which frame want to publish!