A map stands for orientation and a plan for the road ahead. Reading it easily is linked to clarity about your direction; a confusing or missing map, to uncertainty and the search for guidance.
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.