A buoy is read as a marker on uncertain water, showing where it is safe to pass. It can stand for guidance and reference points, or for staying afloat when everything around you moves.
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.