Possible Clues:

• Main body left central point
• Subject of contemplation?
• We all have one, all at sea by the sound of it
• Focus of some contemplation
• Umbilical terminus
• We all have one in a nautical way, by the sound of it
• Middle of the abdomen
• Feature of church with Latin -- something to gaze at?
• Part of body; sort of orange
• Omphaloskepsis focus