Final answer:
The Arrow Up key allows you to move to the item above, while the Arrow Down key allows you to move to the item below.
Step-by-step explanation:
The keyboard key that allows you to move to the item above is the Arrow Up key. This key is typically located on the keyboard's arrow key cluster and is used to navigate upward through a document or webpage. On the other hand, the key that allows you to move to the item below is the Arrow Down key. This key is also found on the arrow key cluster and is used to navigate downward through a document or webpage.