the real meaning or the true essence of a principle or concept

to listen carefully

to look at carefully or attentively

revealer (protective god)

to look at something very carefully or to examine it in great detail

the Four Noble Truths (Buddhism), comprising suffering ([[苦|苦|ku3]]), its origin ([[集|集|ji2]]), its cessation ([[灭|滅|mie4]]), and the path to its cessation ([[道|道|dao4]])

The core teachings of Buddhism regarding the nature of suffering (dukkha) and the path to liberation.