- The funeral
- The main metaphor for a mental breakdown or the collapse of rational thought. Dickinson employs the well-known, socially organized ritual of a funeral to illustrate an experience that lacks a social script: the process of losing one's mind.
- The mourners treading
- Repetitive, intrusive thoughts. The way they pace back and forth before finally sitting down mirrors how anxious or depressive thinking can loop endlessly until it becomes too much to handle.
- The drum
- The relentless, numbing beat of a mind under attack. A drum doesn't think or feel — it simply thumps — and that’s precisely how the speaker’s awareness is transforming.
- Boots of lead
- The overwhelming burden of grief or mental anguish. Lead feels heavy, cold, and lifeless — it transforms what should be a human experience into something mechanical and unavoidable.
- The bell / heavens as a bell
- The moment the breakdown is complete. A bell fills every corner with its sound, and when the *heavens* turn into a bell, there's no place left to run. It marks the ultimate disintegration of the self.
- Silence
- Not peace, but absence. In the end, silence takes on the role of a companion among the ruins — it's all that remains when the mind has nothing left to process. It's loneliness in its purest form.