The crossword solutions for the term 'Things in Keys' are 'Tumblers, wards, pins, and levers. These are all components of a lock that are found inside a key. Tumblers are the parts of the lock that move when the correct key is inserted, wards are the shapes on the key that fit into the lock, pins are the small metal pieces that line up with the tumblers, and levers are the pieces that move when the pins are aligned correctly.