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To light an area with daylight.
Using natural light in an interior space to substitute for artificial light. Daylighting is considered a sustainable building strategy in that it can reduce reliance on artificial light and reduce energy use in the process, and when well designed, it contributes to occupant comfort and performance. Common daylighting strategies include the proper orientation and placement of windows, use of light wells, light shafts or tubes, skylights, clerestory windows, light shelves, reflective surfaces, and shading, and the use of interior glazing to allow light into adjacent spaces. South-facing windows are most advantageous for daylighting and for moderating seasonal temperatures. They allow the most winter sunlight into the home but little direct sun during the summer.
Lighting of the interior of a building by natural means; for example, by windows or skylights.