དམུ་དགེ་བསམ་གཏན། 毛儿盖·桑木旦 _བརྡ་སྤྲོད། ཚིག་མཛོད།_坚赛网
To perturb (also perturbing) is to annoy or disturb, although the word has a pleathora of meanings.
Light, Action, Illumination: These three words can be used to describe the general topics in the given texts