Well...I'll give it a stab.

To me, deconstruct means to break down, undo, or remove what you don't want to be there.

So, she could be suggesting when your child has a specific fear or worry, you would talk it out with her (at her level) what her fear or issue is and put it into a perspective so she feels safe.
Ideally, the idea would be to remove or lighten her fear, as so many childhood fears can grow far more than is healthy for little ones.