| No. | Item | Definition |
|---|---|---|
| 1. | alert | a warning or notice |
| 2. | asterisk | a star-shaped reference mark |
| 3. | banderole | a narrow decorative banner |
| 4. | banner | a piece of symbolic cloth |
| 5. | banneret | a small banner |
| 6. | barometer | an indicator of change |
| 7. | beacon | to signal or guide |
| 8. | bellwether | a leading indicator |
| 9. | brand | to mark with identity |
| 10. | burgee | a small tapered flag |
| 11. | call out | to point out publicly |
| 12. | caution | to warn or signal care |
| 13. | checkmark | a mark showing approval |
| 14. | circle | to mark with a ring |
| 15. | clue | a sign that helps explain |
| 16. | colors | a nation’s or regiment’s flags |
| 17. | cross | a mark shaped like x |
| 18. | cue | a signal to act |
| 19. | delimit | to mark limits |
| 20. | demarcate | to mark boundaries clearly |
| 21. | designate | to mark or appoint |
| 22. | designation | an assigned label or status |
| 23. | dip | to lower briefly in salute |
| 24. | display | to show prominently |
| 25. | distinguish | to mark as different |
| 26. | emblem | a symbolic object or sign |
| 27. | ensign | a national or military flag |
| 28. | exhibit | to display publicly |
| 29. | flare | to signal with a bright light |
| 30. | flash | to signal briefly |
| 31. | fly | to display on a pole |
| 32. | gesture | to signal with movement |
| 33. | giveaway | an obvious clue |
| 34. | gonfalon | a ceremonial hanging banner |
| 35. | guidepost | a post giving direction |
| 36. | guidon | a military unit flag |
| 37. | hail | to signal to stop |
| 38. | half-mast | to lower in mourning |
| 39. | highlight | to draw attention to |
| 40. | hint | a slight indication |
| 41. | hoist | to raise aloft |
| 42. | identification | the act of recognizing |
| 43. | identify | to mark as recognized |
| 44. | imprint | to mark by pressing |
| 45. | indication | a sign of something |
| 46. | indicator | something that shows status |
| 47. | insignia | a distinguishing emblem |
| 48. | jack | a small naval flag |
| 49. | label | to attach a descriptive tag |
| 50. | litmus test | a revealing indicator |
| 51. | lower | to bring down |
| 52. | marker | something that marks position |
| 53. | marking | the act of indicating |
| 54. | motion | to signal by gesture |
| 55. | mount | to place in position |
| 56. | notation | a written marking system |
| 57. | notch | to mark with a cut |
| 58. | note | to mark or record |
| 59. | notice | attention-getting warning or sign |
| 60. | notify | to signal or inform |
| 61. | oriflamme | a historic battle standard |
| 62. | outline | to mark the edges |
| 63. | pavilion | a large ornamental flag |
| 64. | pendant | a tapering naval flag |
| 65. | pennant | a long narrow flag |
| 66. | pennon | a small pointed flag |
| 67. | ping | to send a quick signal |
| 68. | plant | to set upright firmly |
| 69. | point out | to indicate or mention |
| 70. | pointer | a helpful clue or sign |
| 71. | raise | to lift or hoist |
| 72. | rallying point | a unifying symbol |
| 73. | run up | to hoist quickly |
| 74. | seal | an official emblem or mark |
| 75. | sign | an indication or marker |
| 76. | signal | something used to convey information |
| 77. | standard | a flag representing authority |
| 78. | stars and stripes | the United States flag |
| 79. | streamer | a long decorative flag |
| 80. | swallowtail | a forked flag shape |
| 81. | symbol | something representing an idea |
| 82. | symptom | a sign of a condition |
| 83. | tag | to mark with a label |
| 84. | tagging | the act of marking |
| 85. | telegraph | to signal or convey |
| 86. | telltale | something revealing or indicative |
| 87. | tick | a small check mark |
| 88. | tip-off | a revealing clue or warning |
| 89. | touchstone | a test or indicator |
| 90. | tricolor | a flag of three colors |
| 91. | underline | a line marking emphasis |
| 92. | underscore | to emphasize or mark |
| 93. | unfurl | to spread open for display |
| 94. | union jack | the British national flag |
| 95. | vexillum | an ancient Roman standard |
| 96. | warn | to signal danger |
| 97. | warning | a sign of danger |
| 98. | watchword | a guiding slogan or signal |
| 99. | wave | to signal by moving |
| 100. | whistle | to signal with a whistle |