A guest room is space kept ready for someone else. It is read as openness and hospitality, or as a part of your life you have reserved for a person who has not yet arrived — or has already left.
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.