One poetic technique used is alliteration exemplified by such phrases as;" lime green on the linden leaves", "burns bronze", "blue Beryl" and "glints gold". "The late September sunshine is a chameleon" is figurative language. Literal language could be "a silver sheen on the kitchen sink", or "burns bronze on the slated rooftop" for example. The alliteration is a sound device as two words starting with the same letter makes pleasant sounds.
The narrative point of view is third person point of view.
I think number one is auto biography hope that helps start you off
Both "her" and "their" could be used correctly in this case, but i'm presuming they want you to write down "their" if it is a single choice question.