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electron gun ![click to hear : electron gun click to hear : electron gun](../../../images/speaker-vert.gif)
Device that emits electron beams toward the screen; there are beams for each of the primary colors, red, green and blue.
red beam ![click to hear : red beam click to hear : red beam](../../../images/speaker-vert.gif)
Electron beam hitting the sensitive parts of the screen that are designed to emit red light.
green beam ![click to hear : green beam click to hear : green beam](../../../images/speaker-vert.gif)
Electron beam hitting the sensitive parts of the screen that are designed to emit green light.
blue beam ![click to hear : blue beam click to hear : blue beam](../../../images/speaker-vert.gif)
Electron beam hitting the sensitive parts of the screen that are designed to emit blue light.
grid ![click to hear : grid click to hear : grid](../../../images/speaker-vert.gif)
Electrode with openings, which allow electrons to pass through; it helps regulate the intensity of the beams directed toward the screen.
magnetic field ![click to hear : magnetic field click to hear : magnetic field](../../../images/speaker-vert.gif)
Zone exhibiting the properties of a magnet; it controls the direction of the electron beams so that the entire screen is covered.