“Hae has got a crush on Don….Don has blue eyes and blonde ha…

“Hаe hаs gоt а crush оn Dоn….Don has blue eyes and blonde hair and a Camero and she really, really likes him….At one point, she writes Adnan’s name in giant block letters made out of tiny little Adnans and underneath that does the same thing with Don. Giant letters made up of Dons. On another page, she writes Don’s name 127 times. 127 Dons.” What literary device does Sarah Koenig employ here?