A family crest is read as identity, lineage and the values a family claims for itself. Dream books link it to pride in where you come from, or to the pressure of living up to a name.
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.