This verse: "It is but a revelation revealed." (53:4) refers only to the Quran and nothing else.
Sidoo kale bakaylaha waxaa loo adeegsadaa cilmibaarista la xiriirta ammaanka daawada, tijaabinta qalabyada caafimaadka, waxaa kaloo badanaa lagu tijaabiyaa daawooyinka maqaarka iyo indhaha loo adeegsado, shirkadaha qaarne waxay ku tijaabiyaan alaabta la warshadeeyay ee guryaha loo isticmaalo.