Charcoal is what remains after wood has burned, yet it can make fire again or draw a picture. Tradition reads it as hidden potential in what looks spent, and as the start of a sketch.
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.