| No. | Item | Definition |
|---|---|---|
| 1. | abduction | taking someone by force |
| 2. | access | entry or permission to enter |
| 3. | alarm | signal of danger |
| 4. | alert | warning of possible danger |
| 5. | arson | deliberately setting fire |
| 6. | assault | physical attack on someone |
| 7. | assessment | careful evaluation of risk |
| 8. | authorization | formal permission to act |
| 9. | backup | additional support or help |
| 10. | badge | official sign of authority |
| 11. | barrier | something that blocks passage |
| 12. | breach | break in security or rules |
| 13. | briefing | short informational meeting |
| 14. | burglary | illegal entry to steal |
| 15. | casualty | person injured or killed |
| 16. | checkpoint | place for inspection or control |
| 17. | citation | official notice of violation |
| 18. | clearance | official permission or approval |
| 19. | compliance | following rules or orders |
| 20. | contamination | making something unsafe or impure |
| 21. | coordination | organized joint action |
| 22. | credential | proof of identity or status |
| 23. | de-escalation | reducing tension or conflict |
| 24. | debris | scattered broken remains |
| 25. | detector | device that senses danger |
| 26. | dispatch | send responders to a scene |
| 27. | disturbance | disruptive public disorder |
| 28. | documentation | recorded supporting information |
| 29. | earthquake | sudden ground shaking |
| 30. | emergency | a serious urgent situation |
| 31. | entry | way into a place |
| 32. | evacuation | moving people to safety |
| 33. | evidence | information showing what happened |
| 34. | exposure | contact with something harmful |
| 35. | fence | barrier enclosing an area |
| 36. | fire | burning that needs control |
| 37. | first aid | immediate basic medical help |
| 38. | flashlight | portable electric light |
| 39. | flood | overflow of water |
| 40. | fraud | deception for gain |
| 41. | gate | movable barrier at entry |
| 42. | gloves | hand coverings for protection |
| 43. | harassment | repeated unwanted harmful behavior |
| 44. | hazard | a potential source of harm |
| 45. | hazmat | dangerous material requiring care |
| 46. | helmet | protective head covering |
| 47. | hotline | phone line for urgent help |
| 48. | identification | proof of who someone is |
| 49. | incident | an event requiring attention |
| 50. | injury | physical harm to a person |
| 51. | inspection | official close examination |
| 52. | intersection | place where roads meet |
| 53. | intervention | action to improve a situation |
| 54. | keycard | card used for access |
| 55. | leak | unintended escape of liquid or gas |
| 56. | liaison | person linking groups |
| 57. | location | place where something is |
| 58. | lockdown | restrict movement for safety |
| 59. | missing person | person whose whereabouts unknown |
| 60. | obstruction | something blocking the way |
| 61. | outage | loss of power or service |
| 62. | outbreak | sudden spread of disease |
| 63. | overdose | dangerous amount of a drug |
| 64. | patrol | regular area monitoring |
| 65. | pedestrian | person walking on foot |
| 66. | perimeter | outer boundary of an area |
| 67. | policy | official rule or guideline |
| 68. | procedure | set way of doing something |
| 69. | protocol | official procedure to follow |
| 70. | quarantine | isolation to prevent spread |
| 71. | radio | device for voice communication |
| 72. | regulation | official rule or requirement |
| 73. | report | official account of an event |
| 74. | rescue | saving someone from danger |
| 75. | response | action taken after an event |
| 76. | risk | chance of harm or loss |
| 77. | robbery | stealing by force or threat |
| 78. | safety | freedom from danger |
| 79. | security | protection from threats |
| 80. | shelter | safe place for protection |
| 81. | smoke | visible gas from burning |
| 82. | spill | accidental release of substance |
| 83. | stalking | repeated threatening following |
| 84. | storm | severe weather event |
| 85. | surveillance | close observation for safety |
| 86. | theft | stealing property |
| 87. | threat | possible danger or harm |
| 88. | toxin | poisonous substance |
| 89. | traffic | movement of vehicles or people |
| 90. | trespass | entering without permission |
| 91. | triage | prioritizing treatment by urgency |
| 92. | uniform | standard work clothing |
| 93. | update | latest new information |
| 94. | vandalism | deliberate property damage |
| 95. | vehicle | machine used for transport |
| 96. | victim | person harmed by an event |
| 97. | violation | breaking a rule or law |
| 98. | weapon | object used to cause harm |
| 99. | welfare check | visit to ensure safety |
| 100. | witness | person who saw an event |