Nirvana, the blowing-out of craving, is read as deep peace and release from inner struggle. In a dream it points to a longing to let go of what keeps the mind restless.
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.