The options on this page are relevant while rendering. You can specify one or more lights to the overall drawing render.
Luminance uses the Lightworks rendering engine, and provides a wider range of effects than standard lights. You can also specify luminance for individual objects (as opposed to the overall drawing) by opening the Luminance page of the object's Properties.
See Luminance
Drawing luminance can be applied to the WCS (World Coordinate System) or UCS (User Coordinate System). See WCS and UCS
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