I think just how my shape will rise
Resurrection physics
She imagines her body literally rising upward, head disappearing last—like watching someone ascend through a ceiling. Dickinson makes the afterlife physical.
Sparrow reference
Matthew 10:29-31—God notices even sparrows falling. She's claiming the least valuable position in God's care, the minimum attention.
Past survival
"Drifts" are snowdrifts of suffering. She's arguing from precedent: God removed some anguish before, so why not this one?
Unshriven reversal
Unshriven means dying without confession or absolution. After obsessing over being forgiven, she dies unforgiven—the poem's devastating pivot.