This is the 2780th most frequent Russian word.
насколько
"Насколько" means "how much," "how far," or "to what extent."
It is used to ask or express the extent or degree of interest.
Насколько это интересно, тебе решать.
How interesting this is, it's up to you to decide.
Here, it shows the degree of talent possessed.
Вы не представляете, насколько он талантлив.
You can't imagine how talented he is.
In this example, it conveys the significance of the new project in an evaluative context.