Actively working with the new information facilitates understanding far better the passive noting down of it.
That's because when you translate the notes into the new context you need to understand the content first.
It's more challenging to create a proper new concept note if you compare it to creating book-based notes. It requires you to come up with a good way to represent the new concept as a standalone entity and to link it to related concepts. But it's actually a good thing, as it makes such a note more useful - To properly grok new information you need to actively engage with it