In narrative art such as many novels and movies, content is often the subject of the plot or the events and characters contained within. In this and in more abstract art such as some painting and music content is also the details or stuff that make up the form or structure. "Form is supposed to cover the shape or structure of of the work; content its substance, meaning, ideas, or expressive effects." (Middleton 1999) See: musical form.
According to Richard Stallman it is improper to use the word content to describe written and other works of authorship and that there should be a distinction between