According to your description, this dream is probably related to your physical discomfort. Maybe you hurt your hand while sleeping, or something happened to your hand.
3. Of course, it may also be: In reality, you have lost something inexplicably. It may also explain this point.
4. Understanding dreams with psychology requires cognition, experience, situation, etc. For a better answer. No clever dream interpreter can fully understand a dream. When someone eats a piece of candy and tells you what it tastes like, you can only imagine it by your own understanding and cognition. Dream interpretation also needs dreamers. According to your simple description, I can only solve it here for the time being
You can ask. . . . . . .