Full Size: It features approximately 104 keys, including the numeric keypad and arrow keys.
Tenkeyless: The Tenkeyless (TKL) includes 87 keys and does not have the numeric keypad on the right side.
Keypad: It usually features 20-30 keys, including keys frequently used in games, such as the WASD keys for movement, numeric keys, as well as some programmable keys for macros.
60%: Features approximately 61 keys, without numeric, directional, and function keys.
65%: Features approximately 66-68 keys. Retains the arrow keys, without a numeric keypad.
75%: Compact size, with approximately 81-84 keys without a numeric keypad.
