Floatin' down by his feet was the letter from his sister
Second grade handwriting simply read "I miss ya"
Suit jacket pocket held his baby daughter's picture

from Lupe Fiasco – The Cool Lyrics on Rap Genius

Meaning

So the dead dude has tragically left behind a crushed younger sister and a little girl of his own. Lupe is cleverly giving us a background to the protagonist without bluntly stating facts. Good storytelling techniques.

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