2 & 4 i believe. metacognition is where the reader is aware and understanding of their own thought process so.
I don't know how the writer is but the character in the story is most likely 15. I really like the poem. I think it about why she committed suicide. What events led up to that point and it seems her father was the main reason for it.
Hope it helped.
The English language is divided into 3 main periods. Old English, Middle English, and modern English.