This is the 12467th most frequent Polish word.
nagrała
"She recorded."
Here, 'nagrała' is used to indicate that a recording action was performed by her.
Ona nagrała piękną piosenkę.
She recorded a beautiful song.
In this context, 'nagrała' is applied to describe the camera capturing an event.
Kamera nagrała całe zdarzenie.
The camera recorded the entire event.
Here, 'nagrała' is in its feminine form; if 'on' is used, it should be 'nagrał', referring to a male subject performing the action of recording.