Modules (5)
I believe the answer is:
units
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">modules</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for units that I've seen before include "Individual things or groups" , "Single things" , "Figure on the right" , "Single parts of a whole" , "Single items or standard quantities" .)