| No. | Item | Definition |
|---|---|---|
| 1. | admonition | a cautioning reminder or warning |
| 2. | advance notice | notice given beforehand |
| 3. | advance warning | warning given beforehand |
| 4. | advisory | an informative warning or notice |
| 5. | aide-memoire | something that aids memory |
| 6. | alarm | a signal warning or prompting |
| 7. | alert | a warning or attention signal |
| 8. | announcement | a formal public notice |
| 9. | appointment card | a card noting an appointment |
| 10. | appointment notice | notice of an appointment |
| 11. | badge | an icon showing attention needed |
| 12. | banner | a displayed notice or alert |
| 13. | beeper | a device giving alerts |
| 14. | bell | a signal drawing attention |
| 15. | briefing | a short informative notice |
| 16. | bulletin | a short public notice |
| 17. | buzz | a brief signal or alert |
| 18. | calendar alert | a scheduled notification |
| 19. | calendar note | a note on a calendar |
| 20. | call | a request for attention or action |
| 21. | callback | a prompt to return contact |
| 22. | callout | an attention-getting note |
| 23. | caution | a warning to be careful |
| 24. | cheat sheet | a quick-reference memory aid |
| 25. | check-in | a brief follow-up contact |
| 26. | crib | a memory aid note |
| 27. | cue | a signal to remember or act |
| 28. | datebook note | a note in a datebook |
| 29. | deadline alert | an alert about a deadline |
| 30. | ding | a brief alert sound |
| 31. | due-date alert | an alert about a deadline |
| 32. | email alert | an email notification |
| 33. | encouragement | supportive prompting to act |
| 34. | event notice | notice about an event |
| 35. | flag | a marker for attention |
| 36. | flashcard | a card aiding recall |
| 37. | follow-through cue | a prompt to continue action |
| 38. | follow-up | a later prompt or contact |
| 39. | forewarning | advance warning or notice |
| 40. | heads-up | an advance notice or warning |
| 41. | hint | a small clue or prompt |
| 42. | indication | a sign drawing attention |
| 43. | indicator | a sign needing attention |
| 44. | jog | something that refreshes memory |
| 45. | jogger | something that jogs memory |
| 46. | keyword | a word triggering recall |
| 47. | marker | something marking attention needed |
| 48. | memo | a short written note |
| 49. | memoranda | written notes or notices |
| 50. | memorandum | a written note or record |
| 51. | memory aid | something that helps recall |
| 52. | memory jog | something that refreshes memory |
| 53. | message | a communicated note or alert |
| 54. | mnemonic | a device for remembering |
| 55. | note | a brief written message |
| 56. | notice | a brief alert or warning |
| 57. | noticeboard post | a posted public notice |
| 58. | notification | a message drawing attention |
| 59. | nudge | a gentle prompt to act |
| 60. | ping | a brief electronic alert |
| 61. | pointer | something directing attention |
| 62. | pop-up | an on-screen alert |
| 63. | post-it | a sticky note reminder |
| 64. | posting | a publicly displayed notice |
| 65. | prior notice | notice given in advance |
| 66. | prod | a push to act |
| 67. | prompt | something that cues action or memory |
| 68. | prompting | encouragement to remember or act |
| 69. | push alert | a pushed digital notification |
| 70. | recall cue | something that triggers memory |
| 71. | red flag | a warning sign |
| 72. | reference note | a note for later recall |
| 73. | renewal notice | notice to renew something |
| 74. | ring | a sounding alert signal |
| 75. | RSVP prompt | a prompt to respond |
| 76. | save-the-date | advance notice of an event |
| 77. | service notice | an informational public notice |
| 78. | sign | an indication or signal |
| 79. | signal | something that prompts attention |
| 80. | signpost | something guiding attention |
| 81. | siren | a loud warning signal |
| 82. | soft prompt | a mild reminder or cue |
| 83. | sticky note | a small posted note |
| 84. | summons | an official call to appear |
| 85. | tag | a label drawing attention |
| 86. | task prompt | a prompt about a task |
| 87. | text alert | a text-based notification |
| 88. | tickler | a file or note prompt |
| 89. | time cue | a signal tied to time |
| 90. | to-do note | a note of needed action |
| 91. | toast | a brief on-screen notification |
| 92. | tone | a sound signaling attention |
| 93. | update | new information drawing attention |
| 94. | urging | strong prompting to act |
| 95. | vibrate alert | a vibrating notification |
| 96. | vibration | a tactile alert signal |
| 97. | wake-up call | a sharp prompt to act |
| 98. | warning | a cautionary notice or signal |
| 99. | watchword | a guiding word or warning |
| 100. | written prompt | a note prompting action |