A hand is really a prehensile, multi-fingered appendage Situated at the end of the forearm or forelimb of primates for example human beings, chimpanzees, monkeys, and lemurs. A handful of other vertebrates including the koala (that has two opposable thumbs on each "hand" and fingerprints very much like human fingerprints) https://kids-gas-dirt-bikes64208.westexwiki.com/845564/and_options