A typewriter key is a key on a typewriter that is used to type characters. The RETURN key is used to move the cursor to the beginning of the next line. The SHIFT key is used to switch between upper and lower case letters. The spacer key is used to add a space between words. The TAB key is used to move the cursor to the next TAB stop. The pedaled key is used to activate the carriage RETURN lever. The capslock key is used to switch between typing in all capital letters and lowercase letters.