Swiping is read as quick judgement, choosing or rejecting in a single motion. Tradition ties it to dating, to choice overload and to the fear of being passed over just as fast.
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.