Frankincense resin has been burned in temples for thousands of years, so it is read as devotion, offering and the sacred. Dream books link it to purification and to prayers rising.
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.