Braille is read as knowing through touch rather than sight — finding your way by feel. Dream books take it as trust in intuition when the usual ways of seeing fall short.
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.