| No. | Item | Definition |
|---|---|---|
| 1. | admonition | firm caution or advice |
| 2. | advance alert | early notice of risk |
| 3. | advance notice | information given beforehand |
| 4. | advisory | official notice offering guidance |
| 5. | alarm | urgent notice of danger |
| 6. | alert | a notice of possible danger |
| 7. | all-points bulletin | widely circulated police notice |
| 8. | announcement | publicly shared notice |
| 9. | beacon | signal light or guide |
| 10. | bell | ringing signal or alert |
| 11. | boil-water notice | notice to boil water |
| 12. | briefing | short informative explanation |
| 13. | broadcast | widely transmitted announcement |
| 14. | bulletin | brief official notice |
| 15. | caution | careful notice of risk |
| 16. | cautionary advice | advice urging care |
| 17. | cautionary note | brief note urging care |
| 18. | cautioning | act of giving caution |
| 19. | caveat | warning or cautionary note |
| 20. | citation | official notice of violation |
| 21. | communiqué | official communicated notice |
| 22. | consumer alert | public warning to consumers |
| 23. | danger notice | notice about danger |
| 24. | danger sign | sign indicating danger |
| 25. | danger signal | signal of danger |
| 26. | directive | official instruction or guidance |
| 27. | disclaimer | statement limiting responsibility |
| 28. | distress signal | signal asking for help |
| 29. | evacuation notice | notice to leave an area |
| 30. | evidence | information showing something |
| 31. | final notice | last formal reminder |
| 32. | fire alert | notice of fire danger |
| 33. | flood alert | notice of flood risk |
| 34. | forenotice | notice given beforehand |
| 35. | foretoken | sign of what is coming |
| 36. | forewarning | advance notice of trouble |
| 37. | fraud alert | notice of possible fraud |
| 38. | guidance | helpful direction or advice |
| 39. | harbinger | sign of what is coming |
| 40. | hazard alert | notice of possible hazard |
| 41. | hazard notice | notice about a hazard |
| 42. | hazard sign | sign marking a hazard |
| 43. | heads-up | informal advance notice |
| 44. | health advisory | official health notice |
| 45. | heat alert | notice of dangerous heat |
| 46. | indication | sign that suggests something |
| 47. | indicator | thing showing a condition |
| 48. | injunction | official order restraining action |
| 49. | instruction | direction on what to do |
| 50. | intimation | slight indirect notice |
| 51. | label | attached identifying notice |
| 52. | last call | final chance notice |
| 53. | lecture | stern corrective talk |
| 54. | lookout | alert watch for danger |
| 55. | marker | sign indicating something |
| 56. | memo | short written notice |
| 57. | memorandum | formal written notice |
| 58. | message | communicated piece of information |
| 59. | notice | formal or informal announcement |
| 60. | noticeboard post | posted public notice |
| 61. | notification | formal message or notice |
| 62. | omen | sign of something bad |
| 63. | penalty notice | notice imposing a penalty |
| 64. | placard | posted sign or notice |
| 65. | portent | sign of future danger |
| 66. | posting | displayed written notice |
| 67. | prealert | advance alert or notice |
| 68. | prior notice | notice given in advance |
| 69. | public notice | official notice to everyone |
| 70. | qualification | limiting condition or caution |
| 71. | recall notice | notice to return a product |
| 72. | recommendation | suggested course of action |
| 73. | red flag | sign of possible trouble |
| 74. | reprimand | official expression of disapproval |
| 75. | reproof | critical corrective warning |
| 76. | reservation | qualifying caution or doubt |
| 77. | risk alert | notice of possible risk |
| 78. | risk notice | notice about possible risk |
| 79. | safety notice | notice about safety concerns |
| 80. | scam alert | notice of a scam |
| 81. | security alert | notice of security risk |
| 82. | shot across the bow | indirect warning signal |
| 83. | signal | sign conveying a message |
| 84. | siren | loud signal of danger |
| 85. | SOS | international distress signal |
| 86. | storm alert | notice of storm danger |
| 87. | tag | small attached notice |
| 88. | telltale sign | revealing sign of trouble |
| 89. | threat | statement of intended harm |
| 90. | ticket | notice of an offense |
| 91. | tip-off | advance indication or notice |
| 92. | travel advisory | official travel caution |
| 93. | violation notice | notice of a rule breach |
| 94. | wake-up call | jolting sign to act |
| 95. | wake-up signal | jolting sign to respond |
| 96. | watchout | informal warning to be careful |
| 97. | watchword | guiding word or slogan |
| 98. | weather alert | notice of weather danger |
| 99. | word | informal piece of information |
| 100. | yellow flag | signal to proceed carefully |
