This is the 956th most frequent Danish word.
vidner
"Witnesses."
In this sentence, 'vidnerne' (a form of 'vidner') means 'the witnesses,' referring to individuals who observed an event.
Vidnerne så, hvad der skete.
The witnesses saw what happened.
Here, 'vidner' is part of the phrase 'vidner om,' meaning 'reflects' or 'indicates,' used metaphorically to talk about evidence of character.
Jeg forstår ikke, hvordan det vidner om hans karakter.
I don't understand how that reflects his character.
In this case, 'vidner' means 'testify to,' suggesting providing evidence or confirmation of something.