One of the eight auspicious signs of Buddhism, the endless knot shows how everything is interconnected. It is read as wisdom and compassion bound together, and as the patience to see how causes link.
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.