Answer: They both showcase data.
But you didn't mention any story...
The figure of speech used in the sentence above is PERSONIFICATION.
Personification is a figure of speech which attributes personal nature or human characteristics to an inanimate objects. In the sentence given above, the author wrote that 'the wind whispers and the stream giggles. These are actions that only human beings can carry out, but the author is given the attributes to wind and stream, which are inanimate objects.
