A spring is water rising freshly from the ground, so tradition reads it as a source of renewal, inspiration and vitality. Drinking from it is seen as drawing on inner resources.
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.