Concepts (5)
I believe the answer is:
ideas
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">concepts</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 ideas that I've seen before include "Thoughts from Sadie" , "plans" , "Fancies" , "Notions, concepts" , "Thoughts, personal views" .)