Discursive
Part of speech: adjective
Definition: Tending to digress from the main point; rambling. Using reason and argument rather than intuition.
Indirect
Part of speech: adjective
Definition: Not direct; roundabout; deceiving; setting a trap; confusing.
Example sentence: Sound is your friend because sound is much cheaper than picture, but it has equal effect on the audience - in some ways, perhaps more effect because it does it in a very indirect way.