Cierto (en. True)

/ˈsjerto/

Slang Meanings

To describe something that is undeniable or completely certain.
That is certain, there’s no turning back.
Eso es cierto, no hay vuelta de hoja.
To refer to something that is easily verifiable.
That is certain, I saw it with my own eyes.
Eso es cierto, lo vi con mis propios ojos.