A trucker carries heavy loads over long roads. Dream books read the figure as endurance, solitude on a long journey, and responsibility you haul from place to place.
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.