Writing is read as putting thoughts in order and recording what matters. Tradition takes it as a message that wants to be set down, or a story you are shaping.
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.