Initials are a name compressed into a mark, read as identity, belonging or a bond with whoever they belong to. Carved or stitched initials suggest a wish to leave a lasting trace.
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.