Set of links (5)
I believe the answer is:
chain
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">set of links</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for chain that I've seen before include "Series of interconnecting links" , "Range of mountains" , "Series of things linked together" , "number of shops" , "Event series" .)