Reminds me of a question I have been wondering about: Can you formally specify what is the purpose of a suitcase? In principle, you could dump all your clothes, toiletries, etc. in a pile on the airport checkin counter, and if system were organized enough, it could deliver all your stuff to hawaii and lay it all out on the hotel bed for you. E.g., a robot would scan all your belongings at the airport, and dump them a…
The problem is in your questions. "Purpose" is not something that is a part of an item. It is a part of our mind.