Related Clues:

• Many are inherent
• Idiosyncrasies, e.g.
• Nautical passage
• The Bosporus, e.g.
• Funnel for ships
• Red hair and green eyes, e.g.
• British Columbia's ____of Juan de Fuca
• The Dardanelles, e.g.
• Navigable connection
• Attributes
• Naval route
• Distinguishing characteristics
• Narrow body of water
• Things determined by 104-Across
• Traits of narrow sort