In the following paper I am trying to look at, from a systematic point of view, three influential and radically different, conceptions of truth with the aim to compare their pros and cons. I am referring to the classical correspondence theory of truth, to its chief rival – the coherence theory – and to the notorious, would-be pre-Socratic theory of truth as aletheia Unconcealment, put forward by Heidegger. I do not regard the pragmatic theory of truth as an important counterproposal to the classical theory. Consensual theory can be ignored as a special and obviously incorrect case of the coherence theory. It shows some kinship to the pragmatic theory of truth as well if the last one is interpreted in an idealistic way.