What did Death mean when he commented about Liesel as she observed the dying survivor of the plane crash?

What did Death mean when he commented about Liesel as she observed the dying survivor of the plane crash, “She did not back away or try to fight me, but I know that something told the girl I was there . . . she knew me and she looked me in my face and she did not look away . . . we both moved on” ?

Answer the question to the best of your ability using textual evidence.