Barbed wire is read as a painful boundary, one meant to hurt anyone who crosses it. It stands for feeling trapped or fenced off, or for defences that keep closeness away.
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.