Specific question relating to allahs attributes

To my understanding when it comes to allahs attributes, they can be shared attributes with humans e.g allah exists, so do we. But because there is nothing like allah, the meaning of the attributes are shared but the actual reality of allahs existence and our one is completely different. With existence, we can say that allah exists and we exist, theres a similarity in meaning but the actual reality of allahs existence and our existence is different, so my question is that with allahs hand we know the reality of allahs hand, and our hand is completely different (just like existence), but what is the similarity in meaning between allahs hands and our hands? (qadr mushtarak) if my question is hard to understand just say i will try and simplify, let me know if i have made blunders. p.s i know some people have difference of opinions regarding allahs attributes so my question is specifically for people who believe in all of allahs attributes as i believe that position is correct.