Jaye's goals are largely based on self discovery. She does, by the end, understand herself much better but, like you mention, she has many challenges.
<span>http://voices.yahoo.com/jane-eyres-journey-self-discovery-7990740.html?cat=49
</span>
(I got all of this from grade saver)
http://www.gradesaver.com/jane-eyre/q-and-a/does-jane-eyre-achieve-her-goals-what-helps-overcomes-he...
Enjambment - the sentences do not finish with the end of the line.
Simile - "like a slackened drum"
Maybe even hyperbole, since it is an exaggeration.
