| No. | Item | Definition |
|---|---|---|
| 1. | address | DMX start number of fixture |
| 2. | amber | warm yellow-orange lighting color |
| 3. | amperage | amount of electrical current |
| 4. | backlight | light from behind subject |
| 5. | ballast | device regulating lamp current |
| 6. | barn doors | flaps shaping light spread |
| 7. | batten | horizontal bar for hanging lights |
| 8. | beam | a directed stream of light |
| 9. | blackout | complete loss of light |
| 10. | boom | vertical pipe holding lights |
| 11. | breakup | irregular gobo texture effect |
| 12. | bump | sudden brief intensity increase |
| 13. | channel | control number for a light |
| 14. | circuit | electrical path feeding fixtures |
| 15. | clamp | hardware attaching fixture securely |
| 16. | color temperature | warmth or coolness of light |
| 17. | console | lighting control desk |
| 18. | cool | bluish light appearance |
| 19. | crossfade | one cue fades into another |
| 20. | crosslight | light from opposite sides |
| 21. | cue | timed lighting change signal |
| 22. | cyc light | fixture for lighting a cyclorama |
| 23. | diffusion | material softening light output |
| 24. | dimmer | device controlling light intensity |
| 25. | DMX | digital lighting control protocol |
| 26. | downlight | light aimed downward |
| 27. | driver | electronic power control for LEDs |
| 28. | dry tech | technical rehearsal without actors |
| 29. | ellipsoidal | precise spotlight with shutters |
| 30. | fade | gradual change in brightness |
| 31. | fader | sliding control for levels |
| 32. | flag | opaque panel blocking light |
| 33. | floodlight | broad, unfocused powerful light |
| 34. | focus | aim and sharpen a light |
| 35. | followspot | movable spotlight tracking performers |
| 36. | footlight | light placed at stage front |
| 37. | Fresnel | soft-edged spotlight type |
| 38. | frontlight | light from the front |
| 39. | frost | diffusion filter softening beam |
| 40. | gel | colored filter for a light |
| 41. | ghost light | single safety light onstage |
| 42. | glare | harsh brightness causing discomfort |
| 43. | go | execute the prepared cue |
| 44. | gobo | template projecting a pattern |
| 45. | grid | overhead structure for rigging |
| 46. | hard edge | sharply defined beam boundary |
| 47. | haze | fine particles revealing beams |
| 48. | hazer | machine producing fine haze |
| 49. | hotspot | bright center in a beam |
| 50. | house lights | lights for the audience area |
| 51. | hue | basic color family |
| 52. | intensity | brightness level of light |
| 53. | iris | aperture narrowing beam size |
| 54. | key light | main light on subject |
| 55. | lamp | the light source itself |
| 56. | LED | light-emitting diode fixture type |
| 57. | lens | optical element shaping light |
| 58. | look | overall visual lighting state |
| 59. | magenta | purplish red color |
| 60. | mood | emotional feeling from lighting |
| 61. | motivated | justified by apparent source |
| 62. | moving light | motorized automated fixture |
| 63. | pan | horizontal fixture movement |
| 64. | paper tech | planning rehearsal without staging |
| 65. | PAR | parabolic aluminized reflector lamp |
| 66. | patch | assign controls to fixtures |
| 67. | plot | plan showing light positions |
| 68. | power distro | system distributing electrical power |
| 69. | practical | visible working light onstage |
| 70. | preset | stored lighting look |
| 71. | reflector | surface redirecting light output |
| 72. | rig | install lighting equipment |
| 73. | rim light | edge light outlining subject |
| 74. | safety cable | backup cable preventing falls |
| 75. | saturation | purity or richness of color |
| 76. | scrim | mesh reducing light intensity |
| 77. | shutter | blade cutting beam edges |
| 78. | sidelight | light from the side |
| 79. | snap | instant light change |
| 80. | spotlight | focused light on a subject |
| 81. | stack | ordered list of cues |
| 82. | striplight | long multi-lamp fixture |
| 83. | submaster | fader controlling grouped channels |
| 84. | tech | technical rehearsal period |
| 85. | texture | visual pattern made by light |
| 86. | throw | distance from light to target |
| 87. | tilt | vertical fixture movement |
| 88. | timing | speed and placement of changes |
| 89. | top hat | tube reducing fixture glare |
| 90. | toplight | light from above |
| 91. | transition | change between lighting states |
| 92. | truss | framed support for fixtures |
| 93. | universe | set of DMX control channels |
| 94. | uplight | light aimed upward |
| 95. | voltage | electrical potential difference |
| 96. | wash | broad, even stage lighting |
| 97. | wattage | amount of electrical power |
| 98. | worklight | general light for setup |
| 99. | yoke | bracket supporting a fixture |
| 100. | zoom | adjust beam spread angle |