A First Communion is read as initiation — the first step into belonging to something larger. Dream books link it to innocence, family expectation and the memory of a formal childhood milestone.
Has this come up in your dreams before? What was going on in your life then?
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.