The burning bush is an object described by the Book of Exodus as being located on Mount Horeb; according to the narrative, the bush was on fire, but was not consumed by the flames, hence the name.
The burning bush is an object. This object is described by the Book of Exodus as. This object was being located on Mount Horeb. The bush was on fire. This was according to the narrative. The bush was not consumed by the flames, hence the name. This was according to the narrative.