A cone narrows from a broad base to a single point, and tradition reads it as many concerns gathered into one aim. Turned upside down it suggests the reverse — something spreading out from one small source.
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.