Method; process (6)
I believe the answer is:
system
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">method</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that system is a type of method)</span><br/ ><br/ >'<span class="explanation-format__original">process</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for system that I've seen before include "Method of organization" , "Operating structure" , "Method of operating" , "Set of things in a connected whole" , "Organised whole made up of related parts" .)