A. True, its an oral form of an essay
Advised
behaving as someone, especially the speaker, would recommend; sensible; wise.
A MacGuffin is that object in a film which is critical to the characters, but carries insignificant meaning for the audience.
A MacGuffin, a term introduced and widely used by Alfred Hitchcock is some element which drives the plot. The audience is not very concerned with the specifics of it.
