Keyboard part (5,3)
I believe the answer is:
space bar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">keyboard part</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that space bar is part of computer keyboard)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for space bar that I've seen before include "The biggest typewriter key" , "Key feature" , "Keyboard key" , "Largest typewriter key" , "used by typists?" .)