Crystal ball scrying is one of the oldest forms of divination which works on the premise that everything is connected to everything else in life  like a hugh interconnecitng grid. It acts like a portal to all that is, has been and ever shall be. Similar to other energy grid tools like the Tarot, Oracle, Runes,  images in teacups from losse tea leaves, numbers, planets, etc, etc.
Images, symbols and patterns can be seen by the Reader and and interpreted to to the Inquirier in a way that he/or she can relate to it for their highest good.