རྣམ་གཉིས་ཀྱིས་ཕྱི་དྲིལ་ལྷག་པ་ཚེ་རིང་དྲན་རྟེ ན ་ཚོ ག ས་ཁང་དུ་ཕྱི ་ ནང་གི ་ གསར་འགོ ད ་
They serve a double purpose of enhancing a room's appearance during the day and lighting it up at night.
Light, Action, Illumination: These three words can be used to describe the general topics in the given texts