This is the 8542nd most frequent Polish word.
prawda
Truth.
Here, 'prawda' is used as a noun meaning 'truth'.
To jest prawda.
It is the truth.
Here, 'prawda' is used as an interrogative tag meaning 'isn't it' or 'right'.
Masz rację, prawda?
You're right, isn't that so?
Here, 'prawda' is employed as a noun symbolizing 'truth' in a universal or ideological sense.