(Or any similar image such as a lighthouse, obelisk, steeple etc.) The image of a tower represents the personality (the outside walls) and the soul within (the inner space). While there are obvious connotations that connect it with masculinity, the tower is more correctly perceived as the individual being within the wider global or cosmic context. When thought of in this way our attention can focus on other aspects of the tower, such as where windows, doors and staircases are placed.
This helps us to understand the spiritual self and how we function in the everyday world. You may also like to consult the individual entry for further information.