corona counterglow candle flame glowing lamplight sunlight firelight friar's lantern radiance moonshine sunshine electromagnetic spectrum gaslight torchlight actinic radiation scintillation daylight ray ignis fatuus fluorescence streamer starlight glow incandescence shaft of light will-o'-the-wisp shaft beam of light irradiation half-light sun light beam visible radiation jack-o'-lantern visible light meteor shooting star moonlight candlelight Moon twilight luminescence actinic ray gegenschein beam ray of light

headlamp houselights fairy light running light sconce theater light anchor light navigation light headlight strip lighting riding light flood jacklight light source photoflood torch panel light riding lamp flasher flood lamp night-light floodlight searchlight sidelight source of illumination blinker room light

low-density weight lightweight buoyant airy lighter-than-air floaty

position view perspective

floodlight illume light up lighten up spotlight illuminate lighten illumine

illuminance luminousness glow bright luminosity luminescence luminance dull brightness level physical property incandescence brightness illumination

light up fire up smoke ignite

pastel palish powdery light-colored value pale white

legal duty burden of proof imperative keeping guardianship line of duty prerequisite obligation filial duty responsibility job safekeeping incumbency noblesse oblige civic responsibility demand moral obligation social control white man's burden civic duty requirement

function task role job assignment part office chore duty assignment work