I don't really know what to call this, but you know what I mean...when you just see a hand not attached to anything. You want to make sure that you see an arm attached to a hand when possible. Usually, the only time where it's good to have an
`detached' hand is when the hand is the focus.
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In the top picture, we
could've zoomed out and shown her arm attached to her hand (which we did).
In the bottom picture, if we just saw a bit more of the arm on the left side, it would be okay. As for the hand on the bottom right, it just shouldn't be there:)