can someone help me answer in point form for these questions

1) describe Hassan physically? what is a cleft lip?
2) describe him by his relationship with amir?
3) what was his first word? why is that important?
4) how did he come into amir's life?

Check the SparkNotes link I posted before.

http://www.google.com/search?q=cleft+lip&hl=en&biw=711&bih=453&site=webhp&prmd=imvns&tbm=isch&tbo=u&source=univ&sa=X&ei=ene4TsFrxsmxArfjtO8D&sqi=2&ved=0CEwQsAQ

http://www.nlm.nih.gov/medlineplus/cleftlipandpalate.html