structure has to do more with the foundations of the text - the fundamentals, in other words
conventional structure - Aristotelian - beginning, middle, end
unconvential/postmodern structure - no clear distinctions
style has to do more with HOW the text is created
what are the features? the techniques used? (structure is a technique too)
context - context of the text, author and reader
consider all three to attain a more adequate grasp
it gives you an idea of where the ideas and issues of the text are coming from
'write what you know'
the author is a victim of his/her own context