Page "Pragmatic theory of truth" Paragraph 5

One of the first questions that can be asked in this setting is about the relationship between the significant performance and its reflective critique.

If one expresses oneself in a particular fashion, and someone says " that's true ", is there anything useful at all that can be said in general terms about the relationship between these two acts?

For instance, does the critique add value to the expression criticized, does it say something significant in its own right, or is it just an insubstantial echo of the original sign?