A nut is read as a reward inside a hard shell — something worth having that takes effort to reach. Cracking one is linked to solving a problem; a tough one to a stubborn situation.
Where in your waking life have you met something like this lately?
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.