This is the 1078th most frequent Russian word.
правда
Truth.
In this sentence, 'правда' is used as a noun meaning 'truth', referring to a factual statement.
Это правда, что он пришёл домой поздно.
It's true that he came home late.
Here, 'правду' is a form of the noun 'правда', used in the accusative case as the direct object.
Ты говоришь правду?
Are you telling the truth?
In this example, 'правда' is used as an interjection or conjunction, meaning 'though' or 'however', to introduce a contrasting idea.