/ˈtɛnɪt/ – noun
Definition: nguyên tắc, nguyên lý, tín điều, giáo lý, chủ thuyết, chủ nghĩa.
A more thorough explanation: A tenet is a principle or belief, especially one of the main principles of a religion, philosophy, or ideology, that is accepted as true and fundamental by a group or organization.
Example: The tenet of innocent until proven guilty is a fundamental principle in the legal system.