When we look at objects in a painting for their symbolic values, we are using which approach?

Still Life Symbolism because of the searching of the allegorical meaning of that piece.

A  documentary film  is a nonfictional motion picture intended to document some aspect of reality, primarily for the purposes of instruction, education, or maintaining a historical record.example:     20,000 days on earth

Yes and no because if you know the vocabulary used you will understand it and go faster but you might not need it