The ENTER KEY is used to confirm an input or when data is incomplete, the TAB KEY (Tabulation) is a key for indention, the SPACE BAR is the longest, horizontal key at the bottom of the keyboard, when pressed it will enter space between characters, BACKSPACE is indicated with a left arrow, its function is to erase a previous character or text, the CAPSLOCK KEY is the key for typing all capital, the ESCAPE KEY (ESC) is used to quit current task running