What does 'Unsupervised' mean?

'Unsupervised' means:

• When you do not leave your luggage and personal effects in a secure place; or
• Leaving your luggage and personal effects with a person you did not know prior to commencing your trip; or
• Leaving your luggage and personal effects with a person not named on your certificate of insurance or who is not a travelling companion; or
• Leaving your luggage and personal effects where they can be taken without your knowledge, including but not limited to on the beach, poolside while you swim, in the seat pocket of your plane seat and includes if you are asleep and your belongings are taken without your knowing; or
• Leaving your luggage and personal effects at such a distance from you that you are reasonably unable to prevent them from being taken; or
• Forgetting or misplacing your luggage and personal effects, leaving them behind or walking away from them.