Short answers, pulled from the story.
Truth is the property of being in accord with reality. This fundamental concept underpins every human activity from journalism to legal testimony yet remains one of the most debated ideas in human history.
The meaning of truth shifted dramatically during the reign of Richard II of England. This transformation marked a pivotal moment where the concept of truth ceased to be about the character of the speaker and began to be about the accuracy of the record.
Aristotle formulated the correspondence theory of truth in his work Metaphysics. He stated that to say of what is that it is, and of what is not that it is not, is true.
Friedrich Nietzsche claimed that truth is only a mobile army of metaphors, metonyms, and anthropomorphisms. He argued that truth is a human invention arising from the artistic transference of nerve stimuli into images.
Jean Baudrillard describes truth as largely simulated and claims that the simulacrum is true. He argues that truth is no longer accessible because it has been replaced by simulations that mimic reality without any underlying truth.