| Memo |
| Prompt. |
| Mnemonic |
| Memory aid |
| Memento ___ |
| Mental note |
| Note to self |
| Note to keep |
| Memory jogger |
| Souvenir, e.g. |
| Mnemonic device |
| Finger string e.g. |
| Post-it Note, perhaps |
| String around a finger |
| String on a finger, e.g. |
| Note on the fridge, maybe |
| String around your finger |
| Posted Post-it note, often |
| String on the finger, e.g. |