The screwdriver is read as practical problem-solving and having the right tool for adjustment. It can point to tightening up loose ends or taking something apart to understand it.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.