Literacy? Whats that?

Media literacy is learning to read and understand the media and the ways that it is put across to the public. Most of the media is owned by big companies that are exploiting the uses to gain large sums of money. One if the other videos said the media literacy is the ability to access, evaluate, create, and analyze . I was not here for the first day of the class so I don't know what I am to expect or what I am to learn.